# ecmascript-runtime
[Source code of released version](https://github.com/meteor/meteor/tree/master/packages/ecmascript-runtime) | [Source code of development version](https://github.com/meteor/meteor/tree/devel/packages/ecmascript-runtime)
***

[![Build Status](https://travis-ci.org/meteor/ecmascript-runtime.svg?branch=master)](https://travis-ci.org/meteor/ecmascript-runtime)
Polyfills for new ECMAScript 2015 APIs like Map and Set