Just for fun, using 1.5.2 syntax:
var Prototype.insertScript = function(url,callback) {
var script = new Element('script', {
type: 'text/javascript',
charset: 'utf-8',
src: url,
defer: true // does setting the defer attribute like that work, I
wonder ?
});
var stateChangedCallback = function() {
if (script.readyState && script.readyState != 'loaded' &&
script.readyState != 'complete')
return;
script.onreadystatechange = script.onload = null;
if (callback) callback();
script.remove();
};
script.onload = script.onreadystatechange = stateChangedCallback;
//Opera 9.10 appears to load the script synchronously. execution
// could hang here a while.
document.getElementsByTagName('head').item(0).appendChild(script);
//safari iframe hack.
// warning, it has one main issue, the request will be issued two
times.
// should only be used for static files.
if (Prototype.Browser.WebKit && callback) {
var iframe = new Element('iframe', {
style: 'width: 0px; height: 0px',
src: url
});
document.getElementsByTagName('body').item(0).appendChild(iframe);
iframe.onload = function() {
stateChangedCallback();
iframe.remove();
}
}
}
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