A set of basic platform polyfills needed by webcomponents.js, such as a
constructable CustomEvent 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.