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Add customEvent polyfill for IE9-10 #18

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Add customEvent polyfill for IE9-10 #18

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14 changes: 13 additions & 1 deletion EventListener.js
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Original file line number Diff line number Diff line change
Expand Up @@ -142,4 +142,16 @@ this.Element && Element.prototype.attachEvent && !Element.prototype.addEventList

return event;
};
})();
})();

// polyfill for IE9-10 taken from https://gist.github.com/james2doyle/7945320
(function () {
function CustomEvent (event, params) {
params = params || { bubbles: false, cancelable: false, detail: undefined };
var evt = document.createEvent('CustomEvent');
evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
return evt;
};
CustomEvent.prototype = window.CustomEvent.prototype;
window.CustomEvent = CustomEvent;
})();