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

var elem = document.createElement('link');
elem.rel = ' stylesheet'
elem.href= 'style.css';//Link of the css file
document.head.appendChild(elem);