Add method to Array object
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Array.prototype.enqueue = function(vItem) { this.push(vItem); };
Array.prototype.dequeue = function() { return this.shift(); }; Array.prototype.indexOf = function (vItem) { for (var i=0; i < this.length; i++) { if (vItem == this[i]) { return i; } } return -1; } var aColors = new Array("red", "green", "yellow"); alert(aColors.indexOf("green"));
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