43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
'use strict';
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if (!Array.prototype.find) {
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Array.prototype.find = function (predicate) {
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if (this === null) {
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throw new TypeError('Array.prototype.find called on null or undefined');
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}
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if (typeof predicate !== 'function') {
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throw new TypeError('predicate must be a function');
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}
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var list = Object(this);
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var length = list.length >>> 0;
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var thisArg = arguments[1];
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var value;
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for (var i = 0; i < length; i++) {
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value = list[i];
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if (predicate.call(thisArg, value, i, list)) {
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return value;
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}
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}
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return undefined;
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};
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}
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if (window && typeof window.CustomEvent !== "function") {
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var CustomEvent = function CustomEvent(event, params) {
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params = params || {
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bubbles: false,
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cancelable: false,
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detail: undefined
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};
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var evt = document.createEvent('CustomEvent');
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evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
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return evt;
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};
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if (typeof window.Event !== 'undefined') {
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CustomEvent.prototype = window.Event.prototype;
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}
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window.CustomEvent = CustomEvent;
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} |