// https://javascript.plainenglish.io/how-to-download-a-file-using-javascript-fec4685c0a22
function downloadFile(url, fileName) {
fetch(url, { method: 'get', mode: 'no-cors', referrerPolicy: 'no-referrer' })
.then(res => res.blob())
.then(res => {
const aElement = document.createElement('a');
aElement.setAttribute('download', fileName);
const href = URL.createObjectURL(res);
aElement.href = href;
aElement.setAttribute('target', '_blank');
aElement.click();
URL.revokeObjectURL(href);
});
};
downloadFile('https://www.google-analytics.com/analytics.js', 'gooleAnalytics.js')