23 lines
675 B
JavaScript
23 lines
675 B
JavaScript
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// IE function.bind polyfill
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if (!Function.prototype.bind) {
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Function.prototype.bind = function (oThis) {
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if (typeof this !== 'function') {
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// closest thing possible to the ECMAScript 5 internal IsCallable function
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throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
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}
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var aArgs = Array.prototype.slice.call(arguments, 1),
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fToBind = this,
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fNOP = function () {},
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fBound = function () {
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return fToBind.apply(this instanceof fNOP && oThis ? this : oThis,
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aArgs.concat(Array.prototype.slice.call(arguments)));
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};
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fNOP.prototype = this.prototype;
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fBound.prototype = new fNOP();
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return fBound;
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};
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}
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