Defer Stylesheet Loading by Js
No Description Available
let siteUrl = location.protocol + "//" + location.hostname + "/";
function loadStyleSheet(src, base) {
if (document.createStyleSheet) document.createStyleSheet(src);
else {
var stylesheet = document.createElement("link");
stylesheet.href = base + src;
stylesheet.rel = "stylesheet";
stylesheet.type = "text/css";
document.getElementsByTagName("head")[0].appendChild(stylesheet);
}
}
function gen_styles(srcs, local = false) {
let base = local ? siteUrl : "";
srcs.forEach(src => {
loadStyleSheet(src, base);
});
}
(function() {
gen_styles(['https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.3.1/css/bootstrap.min.css','https://fonts.googleapis.com/css?family=Open+Sans:400,400i,600,600i,700,700i&display=swap'],false)
})();
<noscript>
<P class="noscript">Plaese Enable Javascript to load the Page</P>
</noscript>
<section class="jumbotron">
<div class="container">
<div class="card">
<div class="card-header">
<h1>This is Bootstrap 4</h1>
</div>
<div class="card-body">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
<div class="card-footer">
<button class="btn btn-success float-right">Read More</button>
</div>
</div>
</div>
</section>