//https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Function/bind if (!Function.prototype.bind) { Function.prototype.bind = function (oThis) { if (typeof this !== "function") { // closest thing possible to the ECMAScript 5 internal IsCallable function throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable"); } var aArgs = Array.prototype.slice.call(arguments, 1), fToBind = this, fNOP = function () {}, fBound = function () { return fToBind.apply(this instanceof fNOP && oThis ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments))); }; fNOP.prototype = this.prototype; fBound.prototype = new fNOP(); return fBound; }; } //https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/Trim if(!String.prototype.trim) { String.prototype.trim = function () { return this.replace(/^\s+|\s+$/g,''); }; }