29 lines
1.0 KiB
JavaScript
29 lines
1.0 KiB
JavaScript
// Fix old versions of Webkit (such as ones used on iOS < 6 or PhantomJS <= 1.7)
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// which does not have Function.prototype.bind function
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// Use moz polyfill:
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// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Function/bind#Compatibility
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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
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? this
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: 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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