Dynamic, cross-browser script loading

Question

I know that IE doesn\'t have a load event for

Answer 1

I want to add that if you don't support IE7 and below, you don't need onreadystatechange stuff. Source: quircksmode.org

Simplified and working code from original answer:

function scriptTag (src, callback) {

   // src is just a string now!

    var s = doc.createElement('script');
    s.type = 'text/javascript';
    s.src = src;
    s.async = false;
    s.onload = callback;        
    document.body.appendChild(s);
}