Basic platform polyfills needed by webcomponents.js
npm install @webcomponents/webcomponents-platformCustomEvent and basic ES6 shims (Object.assign and Array.from)The polyfills are intended to work in the latest versions of evergreen browsers. See below
for our complete browser support matrix:
| Polyfill | IE11+ | Chrome | Firefox | Safari 9+ | Chrome Android | Mobile Safari* |
| ---------- |:-----:|:-------:|:--------:|:----------:|:---------------:|:--------------:|
| Custom Elements | ✓ | ✓ | ✓ | ✓ | ✓| ✓ |
| HTML Imports | ✓ | ✓ | ✓ | ✓| ✓| ✓ |
| Shadow DOM | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Templates | ✓ | ✓ | ✓| ✓ | ✓ | ✓ |
See the contributing guide
Everything in this repository is BSD style license unless otherwise specified.
Copyright (c) 2016 The Polymer Authors. All rights reserved.