MooTools

How to use

Just add TrackInstances:true to your class definition, after the initialize method.

var MyClass=new Class({
    initialize:function () {
    },

    TrackInstances:true,

    recalcPosition:function () {
        // something that recalculates position or any other task that should be applied on an instance
    }
});

var x=new MyClass();
var y=new MyClass();

MyClass.instances; // [x, y]
MyClass.instances.length; // 2

// from another code:
window.addEvent("resize",function () {
    MyClass.instances.each(function (instance) {
        instance.recalcPosition();
    });
});

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