In order to define a static members we should call the extend function on the object that represents our Class definition passing over an object that describes the static members we want to define.
<!DOCTYPE html>
<html>
<head>
<title>static members demo</title>
<script type="text/javascript" src="mootools-core-1.4.5-full-compat.js">
</script>
<script type="text/javascript">
var Utils = new Class({});
Utils.extend({
//static properties
MAX_SPEED:100,
//static functions
sum:function(a,b){return a+b;},
multiply:function(a,b){return a*b;}
});
document.write(Utils.sum(5,2)*Utils.MAX_SPEED);
</script>
</head>
<body>
</body>
</html>
The following video clip overviews this code sample, executes it and explains it.
