Awesome
custom-event-polyfill
A polyfill for creating CustomEvents on IE9+ if the native implementation is missing.
Install
# using yarn
$ yarn add custom-event-polyfill
# using npm
$ npm install --save custom-event-polyfill
Usage
Just include this polyfill before using any code which creates a CustomEvent object, ideally as early as possible.
Refer to the CustomEvent documentation for details on how to use it: https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent
Big Thanks
Cross-browser Testing Platform and Open Source <3 Provided by Sauce Labs.
License
MIT