How to load up CSS files using Javascript?

Question

Is it possible to import css stylesheets into a html page using Javascript? If so, how can it be done?

P.S the javascript will be hosted on my site, but I want users

Answer 1

Here's a one line example, that uses plain JavaScript to inject a CSS link into the head element based on the filename portion of the URL:

document.head.innerHTML += '';

Most browsers support it. See the browser compatibility.