Adding and Removing Events with MooTools

HTML

<input id=an-element type=text>

JavaScript

window.addEvent('domready', function(){
var element = $('an-element'),
    handler1 = function(){
        console.log('handler1: ' + new Date().getTime());
    },
    handler2 = function(){
        console.log('handler2: ' + new Date().getTime());
    };

element.addEvent('focus', handler1);
element.addEvent('focus', handler2);

element.focus(); // console logs 'handler1' and 'handler2'

// later
element.blur();
element.removeEvent('focus', handler1);
element.focus(); // console logs 'handler2'
});