ECMAScript 6 git.io/es6features Introduction ECMAScript 6, also known as ECMAScript 2015, is the latest version of the ECMAScript standard. ES6 is a significant update to the language, and the first update to the language since ES5 was standardized in 2009. Implementation of these features in major JavaScript engines is underway now.
See the ES6 standard for full specification of the ECMAScript 6 language.
ES6 includes the following new features:
arrows classes enhanced object literals template strings destructuring default + rest + spread let + const iterators + for..of generators unicode modules module loaders map + set + weakmap + weakset proxies symbols subclassable built-ins promises math + number + string + array + object APIs binary and octal literals reflect api tail calls ECMAScript 6 Features