Iframe autoheight

5.9.2022
JavaScript
index.html Raw #

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
    </head>
    <body>
        <iframe id="frame" src="long.html" width="100%" height="0" frameborder="0"></iframe>

        <script>
            let f = document.getElementById('frame');
            f.onload = () => {
                console.log('nacteno');
                console.dir(f.contentDocument.documentElement);

                var obsah = f.contentDocument || f.contentWindow.document;
                f.style.height = obsah.documentElement.scrollHeight + 'px';
            };
        </script>
    </body>
</html>