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Gists - jQuery

On gists

AW pubsub (work belove & above sub or pub)

jQuery jQuery-plugins AW

pubsub.js #

(function($) {
 
    var o = $({});

    var calledEvents = {};
   
    $.subscribe = function() {
      o.on.apply(o, arguments);
	
      if (arguments[0] in calledEvents) 
	  {
        var eventName = arguments[0];
        var callback  = arguments[1];
        var clbArgs   = [
          {type: eventName}, // event

        ].concat(calledEvents[eventName][0]);

        callback.apply(o, clbArgs);
      }
    };
   
    $.unsubscribe = function() {
      o.off.apply(o, arguments);
    };
   
    $.publish = function() {
      o.trigger.apply(o, arguments);

      var eventName = arguments[0];
      var args      = Array.prototype.slice.call(arguments, 1);
      
      calledEvents[eventName] = args;
      
    };
   
}(jQuery));


// USAGE

$.subscribe('document/kunda', function(e, a, b) {
	console.log('A');
});

$.publish('document/kunda', ['AA', 'BBB']);

$.subscribe('document/kunda', function(e, a, b) {
	console.log('B');
});

On gists

Twitter plugin @JeffreyWay

jQuery jQuery-plugins

twitter.js #

// Utility
if ( typeof Object.create !== 'function' ) {
	Object.create = function( obj ) {
		function F() {};
		F.prototype = obj;
		return new F();
	};
}

(function( $, window, document, undefined ) {
	var Twitter = {
		init: function( options, elem ) {
			var self = this;

			self.elem = elem;
			self.$elem = $( elem );

			self.url = 'https://api.twitter.com/1.1/search/tweets.json';

			self.search = ( typeof options === 'string' )
				? options
				: options.search;

			self.options = $.extend( {}, $.fn.queryTwitter.options, options );

			self.refresh( 1 );
		},

		refresh: function( length ) {
			var self = this;

			setTimeout(function() {
				self.fetch().done(function( results ) {
					results = self.limit( results.results, self.options.limit );

					self.buildFrag( results );

					self.display();

					if ( typeof self.options.onComplete === 'function' ) {
						self.options.onComplete.apply( self.elem, arguments );
					}

					if ( self.options.refresh ) {
						self.refresh();
					}
				});
			}, length || self.options.refresh );
		},

		fetch: function() {
			return $.ajax({
				url: this.url,
				data: { q: this.search },
				dataType: 'jsonp'
			});
		},

		buildFrag: function( results ) {
			var self = this;

			self.tweets = $.map( results, function( obj, i) {
				return $( self.options.wrapEachWith ).append ( obj.text )[0];
			});
		},

		display: function() {
			var self = this;

			if ( self.options.transition === 'none' || !self.options.transition ) {
				self.$elem.html( self.tweets ); // that's available??
			} else {
				self.$elem[ self.options.transition ]( 500, function() {
					$(this).html( self.tweets )[ self.options.transition ]( 500 );
				});
			}
		},

		limit: function( obj, count ) {
			return obj.slice( 0, count );
		}
	};

	$.fn.queryTwitter = function( options ) {
		return this.each(function() {
			var twitter = Object.create( Twitter );
			
			twitter.init( options, this );

			$.data( this, 'queryTwitter', twitter );
		});
	};

	$.fn.queryTwitter.options = {
		search: '@tutspremium',
		wrapEachWith: '<li></li>',
		limit: 10,
		refresh: null,
		onComplete: null,
		transition: 'fadeToggle'
	};

})( jQuery, window, document );



/// USAGE /// 
$('div.tweets').queryTwitter({
	search: 'your',
	limit: 10,
	// onComplete: function() {
	// 	console.log(arguments);
	// },
	refresh: 4000,
	transition: 'slideToggle'
});


On gists

Autocomplete (only for education) @deprecated

jQuery jQuery-plugins

autocomplete.js #

/*
 * jQuery Autocomplete plugin 1.2.3
 *
 * Copyright (c) 2009 Jörn Zaefferer
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * With small modifications by Alfonso Gómez-Arzola.
 * See changelog for details.
 *
 */

;(function($) {

    $.fn.extend({
        autocomplete: function(urlOrData, options) {
            var isUrl = typeof urlOrData == "string";
            options = $.extend({}, $.Autocompleter.defaults, {
                url: isUrl ? urlOrData : null,
                data: isUrl ? null : urlOrData,
                delay: isUrl ? $.Autocompleter.defaults.delay : 10,
                max: options && !options.scroll ? 10 : 150,
                noRecord: "No Records."
            }, options);
    
            // if highlight is set to false, replace it with a do-nothing function
            options.highlight = options.highlight || function(value) { return value; };
    
            // if the formatMatch option is not specified, then use formatItem for backwards compatibility
            options.formatMatch = options.formatMatch || options.formatItem;
    
            return this.each(function() {
                new $.Autocompleter(this, options);
            });
        },
        result: function(handler) {
            return this.bind("result", handler);
        },
        search: function(handler) {
            return this.trigger("search", [handler]);
        },
        flushCache: function() {
            return this.trigger("flushCache");
        },
        setOptions: function(options){
            return this.trigger("setOptions", [options]);
        },
        unautocomplete: function() {
            return this.trigger("unautocomplete");
        }
    });
    
    $.Autocompleter = function(input, options) {
    
        var KEY = {
            UP: 38,
            DOWN: 40,
            DEL: 46,
            TAB: 9,
            RETURN: 13,
            ESC: 27,
            COMMA: 188,
            PAGEUP: 33,
            PAGEDOWN: 34,
            BACKSPACE: 8
        };
    
        var globalFailure = null;
        if(options.failure != null && typeof options.failure == "function") {
          globalFailure = options.failure;
        }
    
        // Create $ object for input element
        var $input = $(input).attr("autocomplete", "off").addClass(options.inputClass);
    
        var timeout;
        var previousValue = "";
        var cache = $.Autocompleter.Cache(options);
        var hasFocus = 0;
        var lastKeyPressCode;
        var config = {
            mouseDownOnSelect: false
        };
        var select = $.Autocompleter.Select(options, input, selectCurrent, config);
    
        var blockSubmit;
    
        // prevent form submit in opera when selecting with return key
      navigator.userAgent.indexOf("Opera") != -1 && $(input.form).bind("submit.autocomplete", function() {
            if (blockSubmit) {
                blockSubmit = false;
                return false;
            }
        });
    
        // older versions of opera don't trigger keydown multiple times while pressed, others don't work with keypress at all
        $input.bind((navigator.userAgent.indexOf("Opera") != -1 && !'KeyboardEvent' in window ? "keypress" : "keydown") + ".autocomplete", function(event) {
            // a keypress means the input has focus
            // avoids issue where input had focus before the autocomplete was applied
            hasFocus = 1;
            // track last key pressed
            lastKeyPressCode = event.keyCode;
            switch(event.keyCode) {
    
                case KEY.UP:
                    if ( select.visible() ) {
                        event.preventDefault();
                        select.prev();
                    } else {
                        onChange(0, true);
                    }
                    break;
    
                case KEY.DOWN:
                    if ( select.visible() ) {
                        event.preventDefault();
                        select.next();
                    } else {
                        onChange(0, true);
                    }
                    break;
    
                case KEY.PAGEUP:
                    if ( select.visible() ) {
                      event.preventDefault();
                        select.pageUp();
                    } else {
                        onChange(0, true);
                    }
                    break;
    
                case KEY.PAGEDOWN:
                    if ( select.visible() ) {
                      event.preventDefault();
                        select.pageDown();
                    } else {
                        onChange(0, true);
                    }
                    break;
    
                // matches also semicolon
                case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA:
                case KEY.TAB:
                case KEY.RETURN:
                    if( selectCurrent() ) {
                        // stop default to prevent a form submit, Opera needs special handling
                        event.preventDefault();
                        blockSubmit = true;
                        return false;
                    }
                    break;
    
                case KEY.ESC:
                    select.hide();
                    break;
    
                default:
                    clearTimeout(timeout);
                    timeout = setTimeout(onChange, options.delay);
                    break;
            }
        }).focus(function(){
            // track whether the field has focus, we shouldn't process any
            // results if the field no longer has focus
            hasFocus++;
        }).blur(function() {
          hasFocus = 0;
            if (!config.mouseDownOnSelect) {
                hideResults();
            }
        }).click(function() {
            // show select when clicking in a focused field
            // but if clickFire is true, don't require field
            // to be focused to begin with; just show select
            if( options.clickFire ) {
              if ( !select.visible() ) {
                  onChange(0, true);
              }
            } else {
              if ( hasFocus++ > 1 && !select.visible() ) {
                  onChange(0, true);
              }
            }
        }).bind("search", function() {
            // TODO why not just specifying both arguments?
            var fn = (arguments.length > 1) ? arguments[1] : null;
            function findValueCallback(q, data) {
                var result;
                if( data && data.length ) {
                    for (var i=0; i < data.length; i++) {
                        if( data[i].result.toLowerCase() == q.toLowerCase() ) {
                            result = data[i];
                            break;
                        }
                    }
                }
                if( typeof fn == "function" ) fn(result);
                else $input.trigger("result", result && [result.data, result.value]);
            }
            $.each(trimWords($input.val()), function(i, value) {
                request(value, findValueCallback, findValueCallback);
            });
        }).bind("flushCache", function() {
            cache.flush();
        }).bind("setOptions", function() {
            $.extend(true, options, arguments[1]);
            // if we've updated the data, repopulate
            if ( "data" in arguments[1] )
                cache.populate();
        }).bind("unautocomplete", function() {
            select.unbind();
            $input.unbind();
            $(input.form).unbind(".autocomplete");
        });
    
    
        function selectCurrent() {
            var selected = select.selected();
            if( !selected )
                return false;
    
            var v = selected.result;
            previousValue = v;
    
            if ( options.multiple ) {
                var words = trimWords($input.val());
                if ( words.length > 1 ) {
                    var seperator = options.multipleSeparator.length;
                    var cursorAt = $(input).selection().start;
                    var wordAt, progress = 0;
                    $.each(words, function(i, word) {
                        progress += word.length;
                        if (cursorAt <= progress) {
                            wordAt = i;
                            return false;
                        }
                        progress += seperator;
                    });
                    words[wordAt] = v;
                    // TODO this should set the cursor to the right position, but it gets overriden somewhere
                    //$.Autocompleter.Selection(input, progress + seperator, progress + seperator);
                    v = words.join( options.multipleSeparator );
                }
                v += options.multipleSeparator;
            }
    
    
            $input.val(v);
            hideResultsNow();
            $input.trigger("result", [selected.data, selected.value]);
            return true;
        }
    
        function onChange(crap, skipPrevCheck) {
            if( lastKeyPressCode == KEY.DEL ) {
                select.hide();
                return;
            }
    
            var currentValue = $input.val();
    
            if ( !skipPrevCheck && currentValue == previousValue )
                return;
    
            previousValue = currentValue;
    
            currentValue = lastWord(currentValue);
            if ( currentValue.length >= options.minChars) {
                $input.addClass(options.loadingClass);
                if (!options.matchCase)
                    currentValue = currentValue.toLowerCase();
                request(currentValue, receiveData, hideResultsNow);
            } else {
                stopLoading();
                select.hide();
            }
        };
    
        function trimWords(value) {
            if (!value)
                return [""];
            if (!options.multiple)
                return [$.trim(value)];
            return $.map(value.split(options.multipleSeparator), function(word) {
                return $.trim(value).length ? $.trim(word) : null;
            });
        }
    
        function lastWord(value) {
            if ( !options.multiple )
                return value;
            var words = trimWords(value);
            if (words.length == 1)
                return words[0];
            var cursorAt = $(input).selection().start;
            if (cursorAt == value.length) {
                words = trimWords(value)
            } else {
                words = trimWords(value.replace(value.substring(cursorAt), ""));
            }
            return words[words.length - 1];
        }
    
        // fills in the input box w/the first match (assumed to be the best match)
        // q: the term entered
        // sValue: the first matching result
        function autoFill(q, sValue){
            // autofill in the complete box w/the first match as long as the user hasn't entered in more data
            // if the last user key pressed was backspace, don't autofill
            if( options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE ) {
                // fill in the value (keep the case the user has typed)
                $input.val($input.val() + sValue.substring(lastWord(previousValue).length));
                // select the portion of the value not typed by the user (so the next character will erase)
                $(input).selection(previousValue.length, previousValue.length + sValue.length);
            }
        };
    
        function hideResults() {
            clearTimeout(timeout);
            timeout = setTimeout(hideResultsNow, 200);
        };
    
        function hideResultsNow() {
            var wasVisible = select.visible();
            select.hide();
            clearTimeout(timeout);
            stopLoading();
            if (options.mustMatch) {
                // call search and run callback
                $input.search(
                    function (result){
                        // if no value found, clear the input box
                        if( !result ) {
                            if (options.multiple) {
                                var words = trimWords($input.val()).slice(0, -1);
                                $input.val( words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : "") );
                            }
                            else {
                                $input.val( "" );
                                $input.trigger("result", null);
                            }
                        }
                    }
                );
            }
        };
    
        function receiveData(q, data) {
            if ( data && data.length && hasFocus ) {
                stopLoading();
                select.display(data, q);
                autoFill(q, data[0].value);
                select.show();
            } else {
                hideResultsNow();
            }
        };
    
        function request(term, success, failure) {
            if (!options.matchCase)
                term = term.toLowerCase();
            var data = cache.load(term);
            // recieve the cached data
            if (data) {
                if(data.length)	{
                    success(term, data);
                }
                else{
                    var parsed = options.parse && options.parse(options.noRecord) || parse(options.noRecord);	
                    success(term,parsed);
                }
            // if an AJAX url has been supplied, try loading the data now
            } else if( (typeof options.url == "string") && (options.url.length > 0) ){
    
                var extraParams = {
                    timestamp: +new Date()
                };
                $.each(options.extraParams, function(key, param) {
                    extraParams[key] = typeof param == "function" ? param() : param;
                });
    
                $.ajax({
                    // try to leverage ajaxQueue plugin to abort previous requests
                    mode: "abort",
                    // limit abortion to this input
                    port: "autocomplete" + input.name,
                    dataType: options.dataType,
                    url: options.url,
                    data: $.extend({
                        q: lastWord(term),
                        limit: options.max
                    }, extraParams),
                    success: function(data) {
                        var parsed = options.parse && options.parse(data) || parse(data);
                        cache.add(term, parsed);
                        success(term, parsed);
                    }
                });
            } else {
                // if we have a failure, we need to empty the list -- this prevents the the [TAB] key from selecting the last successful match
                select.emptyList();
                if(globalFailure != null) {
            globalFailure();
          }
          else {
            failure(term);
                }
            }
        };
    
        function parse(data) {
            var parsed = [];
            var rows = data.split("\n");
            for (var i=0; i < rows.length; i++) {
                var row = $.trim(rows[i]);
                if (row) {
                    row = row.split("|");
                    parsed[parsed.length] = {
                        data: row,
                        value: row[0],
                        result: options.formatResult && options.formatResult(row, row[0]) || row[0]
                    };
                }
            }
            return parsed;
        };
    
        function stopLoading() {
            $input.removeClass(options.loadingClass);
        };
    
    };
    
    $.Autocompleter.defaults = {
        inputClass: "ac_input",
        resultsClass: "ac_results",
        loadingClass: "ac_loading",
        minChars: 1,
        delay: 400,
        matchCase: false,
        matchSubset: true,
        matchContains: false,
        cacheLength: 100,
        max: 1000,
        mustMatch: false,
        extraParams: {},
        selectFirst: true,
        formatItem: function(row) { return row[0]; },
        formatMatch: null,
        autoFill: false,
        width: 0,
        multiple: false,
        multipleSeparator: " ",
        inputFocus: true,
        clickFire: false,
        highlight: function(value, term) {
            return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
        },
        scroll: true,
        scrollHeight: 180,
        scrollJumpPosition: true
    };
    
    $.Autocompleter.Cache = function(options) {
    
        var data = {};
        var length = 0;
    
        function matchSubset(s, sub) {
            if (!options.matchCase)
                s = s.toLowerCase();
            var i = s.indexOf(sub);
            if (options.matchContains == "word"){
                i = s.toLowerCase().search("\\b" + sub.toLowerCase());
            }
            if (i == -1) return false;
            return i == 0 || options.matchContains;
        };
    
        function add(q, value) {
            if (length > options.cacheLength){
                flush();
            }
            if (!data[q]){
                length++;
            }
            data[q] = value;
        }
    
        function populate(){
            if( !options.data ) return false;
            // track the matches
            var stMatchSets = {},
                nullData = 0;
    
            // no url was specified, we need to adjust the cache length to make sure it fits the local data store
            if( !options.url ) options.cacheLength = 1;
    
            // track all options for minChars = 0
            stMatchSets[""] = [];
    
            // loop through the array and create a lookup structure
            for ( var i = 0, ol = options.data.length; i < ol; i++ ) {
                var rawValue = options.data[i];
                // if rawValue is a string, make an array otherwise just reference the array
                rawValue = (typeof rawValue == "string") ? [rawValue] : rawValue;
    
                var value = options.formatMatch(rawValue, i+1, options.data.length);
                if ( typeof(value) === 'undefined' || value === false )
                    continue;
    
                var firstChar = value.charAt(0).toLowerCase();
                // if no lookup array for this character exists, look it up now
                if( !stMatchSets[firstChar] )
                    stMatchSets[firstChar] = [];
    
                // if the match is a string
                var row = {
                    value: value,
                    data: rawValue,
                    result: options.formatResult && options.formatResult(rawValue) || value
                };
    
                // push the current match into the set list
                stMatchSets[firstChar].push(row);
    
                // keep track of minChars zero items
                if ( nullData++ < options.max ) {
                    stMatchSets[""].push(row);
                }
            };
    
            // add the data items to the cache
            $.each(stMatchSets, function(i, value) {
                // increase the cache size
                options.cacheLength++;
                // add to the cache
                add(i, value);
            });
        }
    
        // populate any existing data
        setTimeout(populate, 25);
    
        function flush(){
            data = {};
            length = 0;
        }
    
        return {
            flush: flush,
            add: add,
            populate: populate,
            load: function(q) {
                if (!options.cacheLength || !length)
                    return null;
                /*
                 * if dealing w/local data and matchContains than we must make sure
                 * to loop through all the data collections looking for matches
                 */
                if( !options.url && options.matchContains ){
                    // track all matches
                    var csub = [];
                    // loop through all the data grids for matches
                    for( var k in data ){
                        // don't search through the stMatchSets[""] (minChars: 0) cache
                        // this prevents duplicates
                        if( k.length > 0 ){
                            var c = data[k];
                            $.each(c, function(i, x) {
                                // if we've got a match, add it to the array
                                if (matchSubset(x.value, q)) {
                                    csub.push(x);
                                }
                            });
                        }
                    }
                    return csub;
                } else
                // if the exact item exists, use it
                if (data[q]){
                    return data[q];
                } else
                if (options.matchSubset) {
                    for (var i = q.length - 1; i >= options.minChars; i--) {
                        var c = data[q.substr(0, i)];
                        if (c) {
                            var csub = [];
                            $.each(c, function(i, x) {
                                if (matchSubset(x.value, q)) {
                                    csub[csub.length] = x;
                                }
                            });
                            return csub;
                        }
                    }
                }
                return null;
            }
        };
    };
    
    $.Autocompleter.Select = function (options, input, select, config) {
        var CLASSES = {
            ACTIVE: "ac_over"
        };
    
        var listItems,
            active = -1,
            data,
            term = "",
            needsInit = true,
            element,
            list;
    
        // Create results
        function init() {
            if (!needsInit)
                return;
            element = $("<div/>")
            .hide()
            .addClass(options.resultsClass)
            .css("position", "absolute")
            .appendTo(document.body)
            .hover(function(event) {
              // Browsers except FF do not fire mouseup event on scrollbars, resulting in mouseDownOnSelect remaining true, and results list not always hiding.
              if($(this).is(":visible")) {
                input.focus();
              }
              config.mouseDownOnSelect = false;
            });
    
            list = $("<ul/>").appendTo(element).mouseover( function(event) {
                if(target(event).nodeName && target(event).nodeName.toUpperCase() == 'LI') {
                    active = $("li", list).removeClass(CLASSES.ACTIVE).index(target(event));
                    $(target(event)).addClass(CLASSES.ACTIVE);
                }
            }).click(function(event) {
                $(target(event)).addClass(CLASSES.ACTIVE);
                select();
                if( options.inputFocus )
                  input.focus();
                return false;
            }).mousedown(function() {
                config.mouseDownOnSelect = true;
            }).mouseup(function() {
                config.mouseDownOnSelect = false;
            });
    
            if( options.width > 0 )
                element.css("width", options.width);
    
            needsInit = false;
        }
    
        function target(event) {
            var element = event.target;
            while(element && element.tagName != "LI")
                element = element.parentNode;
            // more fun with IE, sometimes event.target is empty, just ignore it then
            if(!element)
                return [];
            return element;
        }
    
        function moveSelect(step) {
            listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE);
            movePosition(step);
            var activeItem = listItems.slice(active, active + 1).addClass(CLASSES.ACTIVE);
            if(options.scroll) {
                var offset = 0;
                listItems.slice(0, active).each(function() {
                    offset += this.offsetHeight;
                });
                if((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight) {
                    list.scrollTop(offset + activeItem[0].offsetHeight - list.innerHeight());
                } else if(offset < list.scrollTop()) {
                    list.scrollTop(offset);
                }
            }
        };
    
        function movePosition(step) {
            if (options.scrollJumpPosition || (!options.scrollJumpPosition && !((step < 0 && active == 0) || (step > 0 && active == listItems.size() - 1)) )) {
                active += step;
                if (active < 0) {
                    active = listItems.size() - 1;
                } else if (active >= listItems.size()) {
                    active = 0;
                }
            }
        }
    
    
        function limitNumberOfItems(available) {
            return options.max && options.max < available
                ? options.max
                : available;
        }
    
        function fillList() {
            list.empty();
            var max = limitNumberOfItems(data.length);
            for (var i=0; i < max; i++) {
                if (!data[i])
                    continue;
                var formatted = options.formatItem(data[i].data, i+1, max, data[i].value, term);
                if ( formatted === false )
                    continue;
                var li = $("<li/>").html( options.highlight(formatted, term) ).addClass(i%2 == 0 ? "ac_even" : "ac_odd").appendTo(list)[0];
                $.data(li, "ac_data", data[i]);
            }
            listItems = list.find("li");
            if ( options.selectFirst ) {
                listItems.slice(0, 1).addClass(CLASSES.ACTIVE);
                active = 0;
            }
            // apply bgiframe if available
            if ( $.fn.bgiframe )
                list.bgiframe();
        }
    
        return {
            display: function(d, q) {
                init();
                data = d;
                term = q;
                fillList();
            },
            next: function() {
                moveSelect(1);
            },
            prev: function() {
                moveSelect(-1);
            },
            pageUp: function() {
                if (active != 0 && active - 8 < 0) {
                    moveSelect( -active );
                } else {
                    moveSelect(-8);
                }
            },
            pageDown: function() {
                if (active != listItems.size() - 1 && active + 8 > listItems.size()) {
                    moveSelect( listItems.size() - 1 - active );
                } else {
                    moveSelect(8);
                }
            },
            hide: function() {
                element && element.hide();
                listItems && listItems.removeClass(CLASSES.ACTIVE);
                active = -1;
            },
            visible : function() {
                return element && element.is(":visible");
            },
            current: function() {
                return this.visible() && (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst && listItems[0]);
            },
            show: function() {
                var offset = $(input).offset();
                element.css({
                    width: typeof options.width == "string" || options.width > 0 ? options.width : $(input).width(),
                    top: offset.top + input.offsetHeight,
                    left: offset.left - 9
                }).show();
                if(options.scroll) {
                    list.scrollTop(0);
                    list.css({
                        maxHeight: options.scrollHeight,
                        overflow: 'auto'
                    });
    
                    if(navigator.userAgent.indexOf("MSIE") != -1 && typeof document.body.style.maxHeight === "undefined") {
                        var listHeight = 0;
                        listItems.each(function() {
                            listHeight += this.offsetHeight;
                        });
                        var scrollbarsVisible = listHeight > options.scrollHeight;
                        list.css('height', scrollbarsVisible ? options.scrollHeight : listHeight );
                        if (!scrollbarsVisible) {
                            // IE doesn't recalculate width when scrollbar disappears
                            listItems.width( list.width() - parseInt(listItems.css("padding-left")) - parseInt(listItems.css("padding-right")) );
                        }
                    }
    
                }
            },
            selected: function() {
                var selected = listItems && listItems.filter("." + CLASSES.ACTIVE).removeClass(CLASSES.ACTIVE);
                return selected && selected.length && $.data(selected[0], "ac_data");
            },
            emptyList: function (){
                list && list.empty();
            },
            unbind: function() {
                element && element.remove();
            }
        };
    };
    
    $.fn.selection = function(start, end) {
        if (start !== undefined) {
            return this.each(function() {
                if( this.createTextRange ){
                    var selRange = this.createTextRange();
                    if (end === undefined || start == end) {
                        selRange.move("character", start);
                        selRange.select();
                    } else {
                        selRange.collapse(true);
                        selRange.moveStart("character", start);
                        selRange.moveEnd("character", end);
                        selRange.select();
                    }
                } else if( this.setSelectionRange ){
                    this.setSelectionRange(start, end);
                } else if( this.selectionStart ){
                    this.selectionStart = start;
                    this.selectionEnd = end;
                }
            });
        }
        var field = this[0];
        if ( field.createTextRange ) {
            var range = document.selection.createRange(),
                orig = field.value,
                teststring = "<->",
                textLength = range.text.length;
            range.text = teststring;
            var caretAt = field.value.indexOf(teststring);
            field.value = orig;
            this.selection(caretAt, caretAt + textLength);
            return {
                start: caretAt,
                end: caretAt + textLength
            }
        } else if( field.selectionStart !== undefined ){
            return {
                start: field.selectionStart,
                end: field.selectionEnd
            }
        }
    };
    
    })(jQuery);
    

On gists

Iframe on load (youtube)

jQuery jQuery-plugins

whenscrolled.jquery.js #

$.fn.showWhenScrolled=function(){
	var self = this;
	
	this.init = function(){
		self.each(function(){
			var self_top   = $(this).offset().top;
			var scroll_top = $(window).scrollTop();
			var win_height = $(window).height();
			var frame      = $(this).find('iframe');
			if(scroll_top > (self_top - win_height)){
				if(!frame.attr('src')){
					frame.attr({src:frame.attr('title')});
				}
			}
		});
	};
	
	$(window).scroll(function(){
		self.init();
	}).resize(function(){
		self.init();
	});
	
	self.init();
};

$('.youtube-container').showWhenScrolled();

On gists

Vanilla JS equivalents of jQuery methods

JavaScript jQuery

README.md #

Sans jQuery

Events

// jQuery
$(document).ready(function() {
  // code
})

// Vanilla
document.addEventListener('DOMContentLoaded', function() {
  // code
})
// jQuery
$('a').click(function() {
  // code…
})

// Vanilla
[].forEach.call(document.querySelectorAll('a'), function(el) {
  el.addEventListener('click', function() {
    // code…
  })
})

Selectors

// jQuery
var divs = $('div')

// Vanilla
var divs = document.querySelectorAll('div')
// jQuery
var newDiv = $('<div/>')

// Vanilla
var newDiv = document.createElement('div')

Attributes

// jQuery
$('img').filter(':first').attr('alt', 'My image')

// Vanilla
document.querySelector('img').setAttribute('alt', 'My image')

Classes

// jQuery
newDiv.addClass('foo')

// Vanilla
newDiv.classList.add('foo')
// jQuery
newDiv.toggleClass('foo')

// Vanilla
newDiv.classList.toggle('foo')

Manipulation

// jQuery
$('body').append($('<p/>'))

// Vanilla
document.body.appendChild(document.createElement('p'))
// jQuery
var clonedElement = $('#about').clone()

// Vanilla
var clonedElement = document.getElementById('about').cloneNode(true)
// jQuery
$('#wrap').empty()

// Vanilla
var wrap = document.getElementById('wrap')
while(wrap.firstChild) wrap.removeChild(wrap.firstChild)

Transversing

// jQuery
var parent = $('#about').parent()

// Vanilla
var parent = document.getElementById('about').parentNode
// jQuery
if($('#wrap').is(':empty'))

// Vanilla
if(!document.getElementById('wrap').hasChildNodes())
// jQuery
var nextElement = $('#wrap').next()

// Vanilla
var nextElement = document.getElementById('wrap').nextSibling

AJAX

GET

// jQuery
$.get('//example.com', function (data) {
  // code
})

// Vanilla
var httpRequest = new XMLHttpRequest()
httpRequest.onreadystatechange = function (data) {
  // code
}
httpRequest.open('GET', url)
httpRequest.send()

POST

// jQuery
$.post('//example.com', { username: username }, function (data) {
  // code
})

// Vanilla
var httpRequest = new XMLHttpRequest()
httpRequest.onreadystatechange = function (data) {
  // code
}
httpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded')
httpRequest.open('POST', url)
httpRequest.send('username=' + encodeURIComponent(username))

JSONP

// jQuery
$.getJSON('//openexchangerates.org/latest.json?callback=?', function (data) {
  // code
})

// Vanilla
function success(data) {
  // code
}
var scr = document.createElement('script')
scr.src = '//openexchangerates.org/latest.json?callback=formatCurrency'
document.body.appendChild(scr)

More

Here are a few additional references demonstrating vanilla javascript equivalents of jquery methods:

Also, see the two part series showing equivalents for ...


On gists

Easy slider

jQuery jQuery-plugins

slider.js #

/**
 * Easy slider plug-in pro jQuery
 * 
 * (c) 2012 Drahomír Hanák
 */

(function( $ ) {

	var inited = false;

	// Volatelné funkce
	var methods = {
	
		// Funkce nastaví aktivní slide (Index od 0 do počtu obrázků v galerii) -
		active: function( index, direction ) {
			// Nastavíme rychlost
			speed = $(this).data('speed') || 800;
			// Nastavíme směry efektů
			directionHide = direction || 'left';
			directionShow = directionHide == 'left' ? 'right' : 'left';
			// Skryjeme aktivní položku
			$(this).find('li.active').hide('slide', { direction: directionHide }, speed);
			// Všem položkám odstraníme třídu .active
			$(this).find('li').removeClass('active');	
			// Načteme activní slide
			var slide = $(this).find('li').get(index) || false;
			// Zobrazíme ho
			$(slide).addClass('active').show('slide', { direction: directionShow }, speed);
			// Vrátíme aktivní element 
			return $(this).find('li').get(index) || false;
		},
		
		// Přesune se na další slide
		next: function() {
			// Najdeme další element a zjistíme jeho index, ke kterému přičteme +1
			var index = ($(this).find('li.active').index()+1);
			
			// nebo = imho cistci zpusob
			//methods.active.call(this, $(this).find('li').get(index) ? index : 0);
			
			// zpusob autora viz nizie ani ten return tam byt nemusi ...
			//$(this).easySlider("active", ($(this).find('li').get(index) ? index : 0));
			
			// Aktivujeme tento slide, pokud existuje. Pokud ne, automaticky se přesuneme na první (nultý)
			return $(this).easySlider("active", ($(this).find('li').get(index) ? index : 0));
		},
		
		// Přesune se na předchozí slide
		prev: function() {
			var index = $(this).find('li.active').index()-1 < 0 ? $(this).find('li').length-1 : $(this).find('li.active').index()-1;
			// Aktivujeme slide s títo indexem
			return $(this).easySlider("active", index, 'right');	
		},
		
		// Vstupní funkce plug-inu
		init: function( o ) {
			// Získáme nastavené volby plug-inu
			o = $.extend({}, $.fn.easySlider.defaults, o);
			// Uložíme si aktuální kontext funkce (element plug-inu)
			var $that = $(this);
			
			// Pokud už jsme jednou inicializovali element, nebudeme to přece dělat znova
			if ( inited ) return false; 
			
			// Funkce po kliknutí na šipky
			var left_click = function( e ) {
				e = $.event.fix(e);
				e.preventDefault();
				$that.easySlider("prev");
			}, right_click = function( e ) {
				e = $.event.fix(e);
				e.preventDefault();
				$that.easySlider("next");
			};
			
			// Projdeme a vrátíme všechny elementy, kterým bylo předáno zpracování plug-inu
			return this.each(function() {
				// Najdeme všechny obrázky ve slideru
				var $items = $(this).find('li'), 
					count = $items.length,
					$self = $(this);
					
				// Všechny je skryjeme a pozicujeme absolutně
				$items.css({ display: 'none', position: 'absolute' });
				
				// Vložíme seznamu třídu pro přístupnější manipulování v CSS
				$self.addClass('easySlider-content').data('speed', o.speed); 
				
				// Aktivujeme první element
				$($items.get(o.active)).addClass("active");
				
				// Vytvoříme si postraní šipky pro posun slideru
				var $arrowLeft = $('<a />').attr('href', '#left').addClass('arrowLeft');
				var $arrowRight = $('<a />').attr('href', '#right').addClass('arrowRight');
				// Nastavíme callback na kliknutí
				$arrowLeft.bind('click', left_click);
				$arrowRight.bind('click', right_click);
				// Vložíme je před seznam slidů
				$self.before( $arrowRight );
				$self.before( $arrowLeft );
			});
		}	
	};

	// Vstupní funkce plug-inu
	$.fn.easySlider = function( method ) {
		// Pokud máme jméno funkce, kterou chceme zavolat
		if ( methods[method] ) {
			// Zavoláme danou funkci se všemi ostatními předanými argumenty plug-inu
			return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));	
		} else if ( typeof method == 'object' || !method ) {
			// Pokud ne, zavoláme inicializační metodu
			return methods.init.apply(this, arguments);
		} else {
			// Pokud metoda neexistuje, vypíšeme chybu
			$.error('Metoda ' + method + ' neexistuje v plug-inu jQuery.easySlider');
		}
	}; 
	
	
	// Defaultní nastavení
	$.fn.easySlider.defaults = {
		// Index prvního aktivního prvku slideru
		active: 1,
		// Rychlost přechodu v milisekundách
		speed: 500 	
	};

})( jQuery );

On gists

Tokeninput - JQ plugin //pattern

jQuery jQuery-plugins

tokenjs.js #

/*
 * jQuery Plugin: Tokenizing Autocomplete Text Entry
 * Version 1.6.2
 *
 * Copyright (c) 2009 James Smith (http://loopj.com)
 * Licensed jointly under the GPL and MIT licenses,
 * choose which one suits your project best!
 *
 */
;(function ($) {
  var DEFAULT_SETTINGS = {
    // Search settings
    method: "GET",
    queryParam: "q",
    searchDelay: 300,
    minChars: 1,
    propertyToSearch: "name",
    jsonContainer: null,
    contentType: "json",
    excludeCurrent: false,
    excludeCurrentParameter: "x",

    // Prepopulation settings
    prePopulate: null,
    processPrePopulate: false,

    // Display settings
    hintText: "Type in a search term",
    noResultsText: "No results",
    searchingText: "Searching...",
    deleteText: "&#215;",
    animateDropdown: true,
    placeholder: null,
    theme: null,
    zindex: 999,
    resultsLimit: null,

    enableHTML: false,

    resultsFormatter: function(item) {
      var string = item[this.propertyToSearch];
      return "<li>" + (this.enableHTML ? string : _escapeHTML(string)) + "</li>";
    },

    tokenFormatter: function(item) {
      var string = item[this.propertyToSearch];
      return "<li><p>" + (this.enableHTML ? string : _escapeHTML(string)) + "</p></li>";
    },

    // Tokenization settings
    tokenLimit: null,
    tokenDelimiter: ",",
    preventDuplicates: false,
    tokenValue: "id",

    // Behavioral settings
    allowFreeTagging: false,
    allowTabOut: false,
    autoSelectFirstResult: false,

    // Callbacks
    onResult: null,
    onCachedResult: null,
    onAdd: null,
    onFreeTaggingAdd: null,
    onDelete: null,
    onReady: null,

    // Other settings
    idPrefix: "token-input-",

    // Keep track if the input is currently in disabled mode
    disabled: false
  };

  // Default classes to use when theming
  var DEFAULT_CLASSES = {
    tokenList            : "token-input-list",
    token                : "token-input-token",
    tokenReadOnly        : "token-input-token-readonly",
    tokenDelete          : "token-input-delete-token",
    selectedToken        : "token-input-selected-token",
    highlightedToken     : "token-input-highlighted-token",
    dropdown             : "token-input-dropdown",
    dropdownItem         : "token-input-dropdown-item",
    dropdownItem2        : "token-input-dropdown-item2",
    selectedDropdownItem : "token-input-selected-dropdown-item",
    inputToken           : "token-input-input-token",
    focused              : "token-input-focused",
    disabled             : "token-input-disabled"
  };

  // Input box position "enum"
  var POSITION = {
    BEFORE : 0,
    AFTER  : 1,
    END    : 2
  };

  // Keys "enum"
  var KEY = {
    BACKSPACE    : 8,
    TAB          : 9,
    ENTER        : 13,
    ESCAPE       : 27,
    SPACE        : 32,
    PAGE_UP      : 33,
    PAGE_DOWN    : 34,
    END          : 35,
    HOME         : 36,
    LEFT         : 37,
    UP           : 38,
    RIGHT        : 39,
    DOWN         : 40,
    NUMPAD_ENTER : 108,
    COMMA        : 188
  };

  var HTML_ESCAPES = {
    '&' : '&amp;',
    '<' : '&lt;',
    '>' : '&gt;',
    '"' : '&quot;',
    "'" : '&#x27;',
    '/' : '&#x2F;'
  };

  var HTML_ESCAPE_CHARS = /[&<>"'\/]/g;

  function coerceToString(val) {
    return String((val === null || val === undefined) ? '' : val);
  }

  function _escapeHTML(text) {
    return coerceToString(text).replace(HTML_ESCAPE_CHARS, function(match) {
      return HTML_ESCAPES[match];
    });
  }

  // Additional public (exposed) methods
  var methods = {
      init: function(url_or_data_or_function, options) {
          var settings = $.extend({}, DEFAULT_SETTINGS, options || {});

          return this.each(function () {
              $(this).data("settings", settings);
              $(this).data("tokenInputObject", new $.TokenList(this, url_or_data_or_function, settings));
          });
      },
      clear: function() {
          this.data("tokenInputObject").clear();
          return this;
      },
      add: function(item) {
          this.data("tokenInputObject").add(item);
          return this;
      },
      remove: function(item) {
          this.data("tokenInputObject").remove(item);
          return this;
      },
      get: function() {
          return this.data("tokenInputObject").getTokens();
      },
      toggleDisabled: function(disable) {
          this.data("tokenInputObject").toggleDisabled(disable);
          return this;
      },
      setOptions: function(options){
          $(this).data("settings", $.extend({}, $(this).data("settings"), options || {}));
          return this;
      },
      destroy: function () {
        if (this.data("tokenInputObject")) {
          this.data("tokenInputObject").clear();
          var tmpInput = this;
          var closest = this.parent();
          closest.empty();
          tmpInput.show();
          closest.append(tmpInput);
          return tmpInput;
        }
      }
  };

  // Expose the .tokenInput function to jQuery as a plugin
  $.fn.tokenInput = function (method) {
      // Method calling and initialization logic
      if (methods[method]) {
          return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
      } else {
          return methods.init.apply(this, arguments);
      }
  };

  // TokenList class for each input
  $.TokenList = function (input, url_or_data, settings) {
      //
      // Initialization
      //

      // Configure the data source
      if (typeof(url_or_data) === "string" || typeof(url_or_data) === "function") {
          // Set the url to query against
          $(input).data("settings").url = url_or_data;

          // If the URL is a function, evaluate it here to do our initalization work
          var url = computeURL();

          // Make a smart guess about cross-domain if it wasn't explicitly specified
          if ($(input).data("settings").crossDomain === undefined && typeof url === "string") {
              if(url.indexOf("://") === -1) {
                  $(input).data("settings").crossDomain = false;
              } else {
                  $(input).data("settings").crossDomain = (location.href.split(/\/+/g)[1] !== url.split(/\/+/g)[1]);
              }
          }
      } else if (typeof(url_or_data) === "object") {
          // Set the local data to search through
          $(input).data("settings").local_data = url_or_data;
      }

      // Build class names
      if($(input).data("settings").classes) {
          // Use custom class names
          $(input).data("settings").classes = $.extend({}, DEFAULT_CLASSES, $(input).data("settings").classes);
      } else if($(input).data("settings").theme) {
          // Use theme-suffixed default class names
          $(input).data("settings").classes = {};
          $.each(DEFAULT_CLASSES, function(key, value) {
              $(input).data("settings").classes[key] = value + "-" + $(input).data("settings").theme;
          });
      } else {
          $(input).data("settings").classes = DEFAULT_CLASSES;
      }

      // Save the tokens
      var saved_tokens = [];

      // Keep track of the number of tokens in the list
      var token_count = 0;

      // Basic cache to save on db hits
      var cache = new $.TokenList.Cache();

      // Keep track of the timeout, old vals
      var timeout;
      var input_val;

      // Create a new text input an attach keyup events
      var input_box = $("<input type=\"text\" autocomplete=\"off\" autocapitalize=\"off\"/>")
          .css({
              outline: "none"
          })
          .attr("id", $(input).data("settings").idPrefix + input.id)
          .focus(function () {
              if ($(input).data("settings").disabled) {
                  return false;
              } else
              if ($(input).data("settings").tokenLimit === null || $(input).data("settings").tokenLimit !== token_count) {
                  show_dropdown_hint();
              }
              token_list.addClass($(input).data("settings").classes.focused);
          })
          .blur(function () {
              hide_dropdown();

              if ($(input).data("settings").allowFreeTagging) {
                add_freetagging_tokens();
              }

              $(this).val("");
              token_list.removeClass($(input).data("settings").classes.focused);
          })
          .bind("keyup keydown blur update", resize_input)
          .keydown(function (event) {
              var previous_token;
              var next_token;

              switch(event.keyCode) {
                  case KEY.LEFT:
                  case KEY.RIGHT:
                  case KEY.UP:
                  case KEY.DOWN:
                    if(this.value.length === 0) {
                        previous_token = input_token.prev();
                        next_token = input_token.next();

                        if((previous_token.length && previous_token.get(0) === selected_token) ||
						   (next_token.length && next_token.get(0) === selected_token)) {
                            // Check if there is a previous/next token and it is selected
                            if(event.keyCode === KEY.LEFT || event.keyCode === KEY.UP) {
                                deselect_token($(selected_token), POSITION.BEFORE);
                            } else {
                                deselect_token($(selected_token), POSITION.AFTER);
                            }
                        } else if((event.keyCode === KEY.LEFT || event.keyCode === KEY.UP) && previous_token.length) {
                            // We are moving left, select the previous token if it exists
                            select_token($(previous_token.get(0)));
                        } else if((event.keyCode === KEY.RIGHT || event.keyCode === KEY.DOWN) && next_token.length) {
                            // We are moving right, select the next token if it exists
                            select_token($(next_token.get(0)));
                        }
                    } else {
                      var dropdown_item = null;

                      if (event.keyCode === KEY.DOWN || event.keyCode === KEY.RIGHT) {
                        dropdown_item = $(dropdown).find('li').first();

                        if (selected_dropdown_item) {
                          dropdown_item = $(selected_dropdown_item).next();
                        }
                      } else {
                        dropdown_item = $(dropdown).find('li').last();

                        if (selected_dropdown_item) {
                          dropdown_item = $(selected_dropdown_item).prev();
                        }
                      }

                      select_dropdown_item(dropdown_item);
                    }

                    break;

                  case KEY.BACKSPACE:
                      previous_token = input_token.prev();

                      if (this.value.length === 0) {
                        if (selected_token) {
                          delete_token($(selected_token));
                          hiddenInput.change();
                        } else if(previous_token.length) {
                          select_token($(previous_token.get(0)));
                        }

                        return false;
                      } else if($(this).val().length === 1) {
                          hide_dropdown();
                      } else {
                          // set a timeout just long enough to let this function finish.
                          setTimeout(function(){ do_search(); }, 5);
                      }
                      break;

                  case KEY.TAB:
                  case KEY.ENTER:
                  case KEY.NUMPAD_ENTER:
                  case KEY.COMMA:
                    if(selected_dropdown_item) {
                      add_token($(selected_dropdown_item).data("tokeninput"));
                      hiddenInput.change();
                    } else {
                      if ($(input).data("settings").allowFreeTagging) {
                        if($(input).data("settings").allowTabOut && $(this).val() === "") {
                          return true;
                        } else {
                          add_freetagging_tokens();
                        }
                      } else {
                        $(this).val("");
                        if($(input).data("settings").allowTabOut) {
                          return true;
                        }
                      }
                      event.stopPropagation();
                      event.preventDefault();
                    }
                    return false;

                  case KEY.ESCAPE:
                    hide_dropdown();
                    return true;

                  default:
                    if (String.fromCharCode(event.which)) {
                      // set a timeout just long enough to let this function finish.
                      setTimeout(function(){ do_search(); }, 5);
                    }
                    break;
              }
          });

      // Keep reference for placeholder
      if (settings.placeholder) {
        input_box.attr("placeholder", settings.placeholder);
      }

      // Keep a reference to the original input box
      var hiddenInput = $(input)
        .hide()
        .val("")
        .focus(function () {
          focusWithTimeout(input_box);
        })
        .blur(function () {
          input_box.blur();

          //return the object to this can be referenced in the callback functions.
          return hiddenInput;
        })
      ;

      // Keep a reference to the selected token and dropdown item
      var selected_token = null;
      var selected_token_index = 0;
      var selected_dropdown_item = null;

      // The list to store the token items in
      var token_list = $("<ul />")
          .addClass($(input).data("settings").classes.tokenList)
          .click(function (event) {
              var li = $(event.target).closest("li");
              if(li && li.get(0) && $.data(li.get(0), "tokeninput")) {
                  toggle_select_token(li);
              } else {
                  // Deselect selected token
                  if(selected_token) {
                      deselect_token($(selected_token), POSITION.END);
                  }

                  // Focus input box
                  focusWithTimeout(input_box);
              }
          })
          .mouseover(function (event) {
              var li = $(event.target).closest("li");
              if(li && selected_token !== this) {
                  li.addClass($(input).data("settings").classes.highlightedToken);
              }
          })
          .mouseout(function (event) {
              var li = $(event.target).closest("li");
              if(li && selected_token !== this) {
                  li.removeClass($(input).data("settings").classes.highlightedToken);
              }
          })
          .insertBefore(hiddenInput);

      // The token holding the input box
      var input_token = $("<li />")
          .addClass($(input).data("settings").classes.inputToken)
          .appendTo(token_list)
          .append(input_box);

      // The list to store the dropdown items in
      var dropdown = $("<div/>")
          .addClass($(input).data("settings").classes.dropdown)
          .appendTo("body")
          .hide();

      // Magic element to help us resize the text input
      var input_resizer = $("<tester/>")
          .insertAfter(input_box)
          .css({
              position: "absolute",
              top: -9999,
              left: -9999,
              width: "auto",
              fontSize: input_box.css("fontSize"),
              fontFamily: input_box.css("fontFamily"),
              fontWeight: input_box.css("fontWeight"),
              letterSpacing: input_box.css("letterSpacing"),
              whiteSpace: "nowrap"
          });

      // Pre-populate list if items exist
      hiddenInput.val("");
      var li_data = $(input).data("settings").prePopulate || hiddenInput.data("pre");

      if ($(input).data("settings").processPrePopulate && $.isFunction($(input).data("settings").onResult)) {
          li_data = $(input).data("settings").onResult.call(hiddenInput, li_data);
      }

      if (li_data && li_data.length) {
          $.each(li_data, function (index, value) {
              insert_token(value);
              checkTokenLimit();
              input_box.attr("placeholder", null)
          });
      }

      // Check if widget should initialize as disabled
      if ($(input).data("settings").disabled) {
          toggleDisabled(true);
      }

      // Initialization is done
      if (typeof($(input).data("settings").onReady) === "function") {
        $(input).data("settings").onReady.call();
      }

      //
      // Public functions
      //

      this.clear = function() {
          token_list.children("li").each(function() {
              if ($(this).children("input").length === 0) {
                  delete_token($(this));
              }
          });
      };

      this.add = function(item) {
          add_token(item);
      };

      this.remove = function(item) {
          token_list.children("li").each(function() {
              if ($(this).children("input").length === 0) {
                  var currToken = $(this).data("tokeninput");
                  var match = true;
                  for (var prop in item) {
                      if (item[prop] !== currToken[prop]) {
                          match = false;
                          break;
                      }
                  }
                  if (match) {
                      delete_token($(this));
                  }
              }
          });
      };

      this.getTokens = function() {
          return saved_tokens;
      };

      this.toggleDisabled = function(disable) {
          toggleDisabled(disable);
      };

      // Resize input to maximum width so the placeholder can be seen
      resize_input();

      //
      // Private functions
      //

      function escapeHTML(text) {
        return $(input).data("settings").enableHTML ? text : _escapeHTML(text);
      }

      // Toggles the widget between enabled and disabled state, or according
      // to the [disable] parameter.
      function toggleDisabled(disable) {
          if (typeof disable === 'boolean') {
              $(input).data("settings").disabled = disable
          } else {
              $(input).data("settings").disabled = !$(input).data("settings").disabled;
          }
          input_box.attr('disabled', $(input).data("settings").disabled);
          token_list.toggleClass($(input).data("settings").classes.disabled, $(input).data("settings").disabled);
          // if there is any token selected we deselect it
          if(selected_token) {
              deselect_token($(selected_token), POSITION.END);
          }
          hiddenInput.attr('disabled', $(input).data("settings").disabled);
      }

      function checkTokenLimit() {
          if($(input).data("settings").tokenLimit !== null && token_count >= $(input).data("settings").tokenLimit) {
              input_box.hide();
              hide_dropdown();
              return;
          }
      }

      function resize_input() {
          if(input_val === (input_val = input_box.val())) {return;}

          // Get width left on the current line
          var width_left = token_list.width() - input_box.offset().left - token_list.offset().left;
          // Enter new content into resizer and resize input accordingly
          input_resizer.html(_escapeHTML(input_val) || _escapeHTML(settings.placeholder));
          // Get maximum width, minimum the size of input and maximum the widget's width
          input_box.width(Math.min(token_list.width(),
                                   Math.max(width_left, input_resizer.width() + 30)));
      }

      function add_freetagging_tokens() {
          var value = $.trim(input_box.val());
          var tokens = value.split($(input).data("settings").tokenDelimiter);
          $.each(tokens, function(i, token) {
            if (!token) {
              return;
            }

            if ($.isFunction($(input).data("settings").onFreeTaggingAdd)) {
              token = $(input).data("settings").onFreeTaggingAdd.call(hiddenInput, token);
            }
            var object = {};
            object[$(input).data("settings").tokenValue] = object[$(input).data("settings").propertyToSearch] = token;
            add_token(object);
          });
      }

      // Inner function to a token to the list
      function insert_token(item) {
          var $this_token = $($(input).data("settings").tokenFormatter(item));
          var readonly = item.readonly === true;

          if(readonly) $this_token.addClass($(input).data("settings").classes.tokenReadOnly);

          $this_token.addClass($(input).data("settings").classes.token).insertBefore(input_token);

          // The 'delete token' button
          if(!readonly) {
            $("<span>" + $(input).data("settings").deleteText + "</span>")
                .addClass($(input).data("settings").classes.tokenDelete)
                .appendTo($this_token)
                .click(function () {
                    if (!$(input).data("settings").disabled) {
                        delete_token($(this).parent());
                        hiddenInput.change();
                        return false;
                    }
                });
          }

          // Store data on the token
          var token_data = item;
          $.data($this_token.get(0), "tokeninput", item);

          // Save this token for duplicate checking
          saved_tokens = saved_tokens.slice(0,selected_token_index).concat([token_data]).concat(saved_tokens.slice(selected_token_index));
          selected_token_index++;

          // Update the hidden input
          update_hiddenInput(saved_tokens, hiddenInput);

          token_count += 1;

          // Check the token limit
          if($(input).data("settings").tokenLimit !== null && token_count >= $(input).data("settings").tokenLimit) {
              input_box.hide();
              hide_dropdown();
          }

          return $this_token;
      }

      // Add a token to the token list based on user input
      function add_token (item) {
          var callback = $(input).data("settings").onAdd;

          // See if the token already exists and select it if we don't want duplicates
          if(token_count > 0 && $(input).data("settings").preventDuplicates) {
              var found_existing_token = null;
              token_list.children().each(function () {
                  var existing_token = $(this);
                  var existing_data = $.data(existing_token.get(0), "tokeninput");
                  if(existing_data && existing_data[settings.tokenValue] === item[settings.tokenValue]) {
                      found_existing_token = existing_token;
                      return false;
                  }
              });

              if(found_existing_token) {
                  select_token(found_existing_token);
                  input_token.insertAfter(found_existing_token);
                  focusWithTimeout(input_box);
                  return;
              }
          }

          // Squeeze input_box so we force no unnecessary line break
          input_box.width(1);

          // Insert the new tokens
          if($(input).data("settings").tokenLimit == null || token_count < $(input).data("settings").tokenLimit) {
              insert_token(item);
              // Remove the placeholder so it's not seen after you've added a token
              input_box.attr("placeholder", null);
              checkTokenLimit();
          }

          // Clear input box
          input_box.val("");

          // Don't show the help dropdown, they've got the idea
          hide_dropdown();

          // Execute the onAdd callback if defined
          if($.isFunction(callback)) {
              callback.call(hiddenInput,item);
          }
      }

      // Select a token in the token list
      function select_token (token) {
          if (!$(input).data("settings").disabled) {
              token.addClass($(input).data("settings").classes.selectedToken);
              selected_token = token.get(0);

              // Hide input box
              input_box.val("");

              // Hide dropdown if it is visible (eg if we clicked to select token)
              hide_dropdown();
          }
      }

      // Deselect a token in the token list
      function deselect_token (token, position) {
          token.removeClass($(input).data("settings").classes.selectedToken);
          selected_token = null;

          if(position === POSITION.BEFORE) {
              input_token.insertBefore(token);
              selected_token_index--;
          } else if(position === POSITION.AFTER) {
              input_token.insertAfter(token);
              selected_token_index++;
          } else {
              input_token.appendTo(token_list);
              selected_token_index = token_count;
          }

          // Show the input box and give it focus again
          focusWithTimeout(input_box);
      }

      // Toggle selection of a token in the token list
      function toggle_select_token(token) {
          var previous_selected_token = selected_token;

          if(selected_token) {
              deselect_token($(selected_token), POSITION.END);
          }

          if(previous_selected_token === token.get(0)) {
              deselect_token(token, POSITION.END);
          } else {
              select_token(token);
          }
      }

      // Delete a token from the token list
      function delete_token (token) {
          // Remove the id from the saved list
          var token_data = $.data(token.get(0), "tokeninput");
          var callback = $(input).data("settings").onDelete;

          var index = token.prevAll().length;
          if(index > selected_token_index) index--;

          // Delete the token
          token.remove();
          selected_token = null;

          // Show the input box and give it focus again
          focusWithTimeout(input_box);

          // Remove this token from the saved list
          saved_tokens = saved_tokens.slice(0,index).concat(saved_tokens.slice(index+1));
          if (saved_tokens.length == 0) {
              input_box.attr("placeholder", settings.placeholder)
          }
          if(index < selected_token_index) selected_token_index--;

          // Update the hidden input
          update_hiddenInput(saved_tokens, hiddenInput);

          token_count -= 1;

          if($(input).data("settings").tokenLimit !== null) {
              input_box
                  .show()
                  .val("");
              focusWithTimeout(input_box);
          }

          // Execute the onDelete callback if defined
          if($.isFunction(callback)) {
              callback.call(hiddenInput,token_data);
          }
      }

      // Update the hidden input box value
      function update_hiddenInput(saved_tokens, hiddenInput) {
          var token_values = $.map(saved_tokens, function (el) {
              if(typeof $(input).data("settings").tokenValue == 'function')
                return $(input).data("settings").tokenValue.call(this, el);

              return el[$(input).data("settings").tokenValue];
          });
          hiddenInput.val(token_values.join($(input).data("settings").tokenDelimiter));

      }

      // Hide and clear the results dropdown
      function hide_dropdown () {
          dropdown.hide().empty();
          selected_dropdown_item = null;
      }

      function show_dropdown() {
          dropdown
              .css({
                  position: "absolute",
                  top: token_list.offset().top + token_list.outerHeight(true),
                  left: token_list.offset().left,
                  width: token_list.width(),
                  'z-index': $(input).data("settings").zindex
              })
              .show();
      }

      function show_dropdown_searching () {
          if($(input).data("settings").searchingText) {
              dropdown.html("<p>" + escapeHTML($(input).data("settings").searchingText) + "</p>");
              show_dropdown();
          }
      }

      function show_dropdown_hint () {
          if($(input).data("settings").hintText) {
              dropdown.html("<p>" + escapeHTML($(input).data("settings").hintText) + "</p>");
              show_dropdown();
          }
      }

      var regexp_special_chars = new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\-]', 'g');
      function regexp_escape(term) {
          return term.replace(regexp_special_chars, '\\$&');
      }

      // Highlight the query part of the search term
      function highlight_term(value, term) {
          return value.replace(
            new RegExp(
              "(?![^&;]+;)(?!<[^<>]*)(" + regexp_escape(term) + ")(?![^<>]*>)(?![^&;]+;)",
              "gi"
            ), function(match, p1) {
              return "<b>" + escapeHTML(p1) + "</b>";
            }
          );
      }

      function find_value_and_highlight_term(template, value, term) {
          return template.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + regexp_escape(value) + ")(?![^<>]*>)(?![^&;]+;)", "g"), highlight_term(value, term));
      }

      // exclude existing tokens from dropdown, so the list is clearer
      function excludeCurrent(results) {
          if ($(input).data("settings").excludeCurrent) {
              var currentTokens = $(input).data("tokenInputObject").getTokens(),
                  trimmedList = [];
              if (currentTokens.length) {
                  $.each(results, function(index, value) {
                      var notFound = true;
                      $.each(currentTokens, function(cIndex, cValue) {
                          if (value[$(input).data("settings").propertyToSearch] == cValue[$(input).data("settings").propertyToSearch]) {
                              notFound = false;
                              return false;
                          }
                      });

                      if (notFound) {
                          trimmedList.push(value);
                      }
                  });
                  results = trimmedList;
              }
          }

          return results;
      }

      // Populate the results dropdown with some results
      function populateDropdown (query, results) {
          // exclude current tokens if configured
          results = excludeCurrent(results);

          if(results && results.length) {
              dropdown.empty();
              var dropdown_ul = $("<ul/>")
                  .appendTo(dropdown)
                  .mouseover(function (event) {
                      select_dropdown_item($(event.target).closest("li"));
                  })
                  .mousedown(function (event) {
                      add_token($(event.target).closest("li").data("tokeninput"));
                      hiddenInput.change();
                      return false;
                  })
                  .hide();

              if ($(input).data("settings").resultsLimit && results.length > $(input).data("settings").resultsLimit) {
                  results = results.slice(0, $(input).data("settings").resultsLimit);
              }

              $.each(results, function(index, value) {
                  var this_li = $(input).data("settings").resultsFormatter(value);

                  this_li = find_value_and_highlight_term(this_li ,value[$(input).data("settings").propertyToSearch], query);
                  this_li = $(this_li).appendTo(dropdown_ul);

                  if(index % 2) {
                      this_li.addClass($(input).data("settings").classes.dropdownItem);
                  } else {
                      this_li.addClass($(input).data("settings").classes.dropdownItem2);
                  }

                  if(index === 0 && $(input).data("settings").autoSelectFirstResult) {
                      select_dropdown_item(this_li);
                  }

                  $.data(this_li.get(0), "tokeninput", value);
              });

              show_dropdown();

              if($(input).data("settings").animateDropdown) {
                  dropdown_ul.slideDown("fast");
              } else {
                  dropdown_ul.show();
              }
          } else {
              if($(input).data("settings").noResultsText) {
                  dropdown.html("<p>" + escapeHTML($(input).data("settings").noResultsText) + "</p>");
                  show_dropdown();
              }
          }
      }

      // Highlight an item in the results dropdown
      function select_dropdown_item (item) {
          if(item) {
              if(selected_dropdown_item) {
                  deselect_dropdown_item($(selected_dropdown_item));
              }

              item.addClass($(input).data("settings").classes.selectedDropdownItem);
              selected_dropdown_item = item.get(0);
          }
      }

      // Remove highlighting from an item in the results dropdown
      function deselect_dropdown_item (item) {
          item.removeClass($(input).data("settings").classes.selectedDropdownItem);
          selected_dropdown_item = null;
      }

      // Do a search and show the "searching" dropdown if the input is longer
      // than $(input).data("settings").minChars
      function do_search() {
          var query = input_box.val();

          if(query && query.length) {
              if(selected_token) {
                  deselect_token($(selected_token), POSITION.AFTER);
              }

              if(query.length >= $(input).data("settings").minChars) {
                  show_dropdown_searching();
                  clearTimeout(timeout);

                  timeout = setTimeout(function(){
                      run_search(query);
                  }, $(input).data("settings").searchDelay);
              } else {
                  hide_dropdown();
              }
          }
      }

      // Do the actual search
      function run_search(query) {
          var cache_key = query + computeURL();
          var cached_results = cache.get(cache_key);
          if (cached_results) {
              if ($.isFunction($(input).data("settings").onCachedResult)) {
                cached_results = $(input).data("settings").onCachedResult.call(hiddenInput, cached_results);
              }
              populateDropdown(query, cached_results);
          } else {
              // Are we doing an ajax search or local data search?
              if($(input).data("settings").url) {
                  var url = computeURL();
                  // Extract existing get params
                  var ajax_params = {};
                  ajax_params.data = {};
                  if(url.indexOf("?") > -1) {
                      var parts = url.split("?");
                      ajax_params.url = parts[0];

                      var param_array = parts[1].split("&");
                      $.each(param_array, function (index, value) {
                          var kv = value.split("=");
                          ajax_params.data[kv[0]] = kv[1];
                      });
                  } else {
                      ajax_params.url = url;
                  }

                  // Prepare the request
                  ajax_params.data[$(input).data("settings").queryParam] = query;
                  ajax_params.type = $(input).data("settings").method;
                  ajax_params.dataType = $(input).data("settings").contentType;
                  if ($(input).data("settings").crossDomain) {
                      ajax_params.dataType = "jsonp";
                  }

                  // exclude current tokens?
                  // send exclude list to the server, so it can also exclude existing tokens
                  if ($(input).data("settings").excludeCurrent) {
                      var currentTokens = $(input).data("tokenInputObject").getTokens();
                      var tokenList = $.map(currentTokens, function (el) {
                          if(typeof $(input).data("settings").tokenValue == 'function')
                              return $(input).data("settings").tokenValue.call(this, el);

                          return el[$(input).data("settings").tokenValue];
                      });

                      ajax_params.data[$(input).data("settings").excludeCurrentParameter] = tokenList.join($(input).data("settings").tokenDelimiter);
                  }

                  // Attach the success callback
                  ajax_params.success = function(results) {
                    cache.add(cache_key, $(input).data("settings").jsonContainer ? results[$(input).data("settings").jsonContainer] : results);
                    if($.isFunction($(input).data("settings").onResult)) {
                        results = $(input).data("settings").onResult.call(hiddenInput, results);
                    }

                    // only populate the dropdown if the results are associated with the active search query
                    if(input_box.val() === query) {
                        populateDropdown(query, $(input).data("settings").jsonContainer ? results[$(input).data("settings").jsonContainer] : results);
                    }
                  };

                  // Provide a beforeSend callback
                  if (settings.onSend) {
                    settings.onSend(ajax_params);
                  }

                  // Make the request
                  $.ajax(ajax_params);
              } else if($(input).data("settings").local_data) {
                  // Do the search through local data
                  var results = $.grep($(input).data("settings").local_data, function (row) {
                      return row[$(input).data("settings").propertyToSearch].toLowerCase().indexOf(query.toLowerCase()) > -1;
                  });

                  cache.add(cache_key, results);
                  if($.isFunction($(input).data("settings").onResult)) {
                      results = $(input).data("settings").onResult.call(hiddenInput, results);
                  }
                  populateDropdown(query, results);
              }
          }
      }

      // compute the dynamic URL
      function computeURL() {
          var settings = $(input).data("settings");
          return typeof settings.url == 'function' ? settings.url.call(settings) : settings.url;
      }

      // Bring browser focus to the specified object.
      // Use of setTimeout is to get around an IE bug.
      // (See, e.g., http://stackoverflow.com/questions/2600186/focus-doesnt-work-in-ie)
      //
      // obj: a jQuery object to focus()
      function focusWithTimeout(object) {
          setTimeout(
            function() {
			  object.focus();
            },
			50
		  );
      }
  };

  // Really basic cache for the results
  $.TokenList.Cache = function (options) {
    var settings, data = {}, size = 0, flush;

    settings = $.extend({ max_size: 500 }, options);

    flush = function () {
      data = {};
      size = 0;
    };

    this.add = function (query, results) {
      if (size > settings.max_size) {
        flush();
      }

      if (!data[query]) {
        size += 1;
      }

      data[query] = results;
    };

    this.get = function (query) {
      return data[query];
    };
  };

}(jQuery));

On gists

Viceurovnove menu do select-u

jQuery

select.js #

$(function(){

    var select = $("select");
    $("nav a").each(function(){
        
        var $this = $(this);
        var text = $this.text();  
        var level = $this.parents("ul").length;
        var indent = '';
        if (level > 1)
        {
            indent = str_repeat("\u2013", level);
        }
        select.append('<option>'+indent + text+'</option>');
    
    
    });   



});



function str_repeat (input, multiplier) {
  // http://kevin.vanzonneveld.net
  // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
  // +   improved by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
  // +   improved by: Ian Carter (http://euona.com/)
  // *     example 1: str_repeat('-=', 10);
  // *     returns 1: '-=-=-=-=-=-=-=-=-=-='

  var y = '';
  while (true) {
    if (multiplier & 1) {
      y += input;
    }
    multiplier >>= 1;
    if (multiplier) {
      input += input;
    }
    else {
      break;
    }
  }
  return y;
}

On gists

Nested table rows collapse

jQuery

nested.js #

$(document).ready(function() {

    function getChildren($row) {
        var children = [], level = $row.attr('data-level');
        while($row.next().attr('data-level') > level) {
             children.push($row.next());
             $row = $row.next();
        }            
        return children;
    }        

    $('.parent').on('click', function() {
    
        var children = getChildren($(this));
        $.each(children, function() {
            $(this).toggle();
        })
    });
    
})

On gists

Select plugin

jQuery jQuery-plugins

select.js #

(function($){
	
	$.fn.tzSelect = function(options){
		options = $.extend({
			render : function(option){
				return $('<li>',{
					html : option.text()
				});
			},
			className : ''
		},options);
		
		return this.each(function(){
			
			// The "this" points to the current select element:
			
			var select = $(this);
		
			var selectBoxContainer = $('<div>',{
				width		: select.outerWidth(),
				className	: 'tzSelect',
				html		: '<div class="selectBox"></div>'
			});
		
			var dropDown = $('<ul>',{className:'dropDown'});
			var selectBox = selectBoxContainer.find('.selectBox');
			
			// Looping though the options of the original select element

			if(options.className){
				dropDown.addClass(options.className);
			}
			
			select.find('option').each(function(i){
				var option = $(this);
		
				if(i==select.attr('selectedIndex')){
					selectBox.html(option.text());
				}
				
				// As of jQuery 1.4.3 we can access HTML5 
				// data attributes with the data() method.
				
				if(option.data('skip')){
					return true;
				}
				
				// Creating a dropdown item according to the
				// data-icon and data-html-text HTML5 attributes:
				
				var li = options.render(option);

				li.click(function(){
					
					selectBox.html(option.text());
					dropDown.trigger('hide');
					
					// When a click occurs, we are also reflecting
					// the change on the original select element:
					select.val(option.val());
					
					return false;
				});
		
				dropDown.append(li);
			});
			
			selectBoxContainer.append(dropDown.hide());
			select.hide().after(selectBoxContainer);
			
			// Binding custom show and hide events on the dropDown:
			
			dropDown.bind('show',function(){
				
				if(dropDown.is(':animated')){
					return false;
				}
				
				selectBox.addClass('expanded');
				dropDown.slideDown();
				
			}).bind('hide',function(){
				
				if(dropDown.is(':animated')){
					return false;
				}
				
				selectBox.removeClass('expanded');
				dropDown.slideUp();
				
			}).bind('toggle',function(){
				if(selectBox.hasClass('expanded')){
					dropDown.trigger('hide');
				}
				else dropDown.trigger('show');
			});
			
			selectBox.click(function(){
				dropDown.trigger('toggle');
				return false;
			});
		
			// If we click anywhere on the page, while the
			// dropdown is shown, it is going to be hidden:
			
			$(document).click(function(){
				dropDown.trigger('hide');
			});

		});
	}
	
})(jQuery);