27 lines
463 B
JavaScript
27 lines
463 B
JavaScript
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if (!Array.prototype.map) {
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Array.prototype.map = function (fun /*, thisp */) {
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"use strict";
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if (this === void 0 || this === null) {
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throw new TypeError();
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}
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var t = Object(this),
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len = t.length >>> 0;
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if (typeof fun !== 'function') {
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throw new TypeError();
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}
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var res = new Array(len),
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thisp = arguments[1];
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for (var i = 0; i < len; i++) {
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if (i in t) {
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res[i] = fun.call(thisp, t[i], i, t);
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}
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}
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return res;
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};
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}
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