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- 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
- ? this
- : oThis || window,
- aArgs.concat(Array.prototype.slice.call(arguments)));
- };
- fNOP.prototype = this.prototype;
- fBound.prototype = new fNOP();
- return fBound;
- };
- }
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