| 1 |
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| 2 | /**
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| 3 | * CustomEvent polyfill for IE 11
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| 4 | */
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| 5 | (function () {
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| 6 |
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| 7 | if ( typeof window.CustomEvent === "function" ) return false;
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| 8 |
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| 9 | function CustomEvent ( event, params ) {
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| 10 | params = params || { bubbles: false, cancelable: false, detail: undefined };
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| 11 | var evt = document.createEvent( 'CustomEvent' );
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| 12 | evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
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| 13 | return evt;
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| 14 | }
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| 15 |
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| 16 | CustomEvent.prototype = window.Event.prototype;
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| 17 |
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| 18 | window.CustomEvent = CustomEvent;
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| 19 | })();
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