# 简介

本文档基于[ECMAScript® 2018 Language Specification](https://www.ecma-international.org/ecma-262/9.0/index.html)(ECMA-262, 9th edition, June 2018)翻译。

请参考：

* [**ECMAScript 2018 Language Specification**](http://www.ecma-international.org/ecma-262/6.0/index.html)
* [**最新在线版本**](https://www.gitbook.com/book/js-geek/ecmascript-2015-language-specification-cn)
* [**Github repository**](https://github.com/JS-Geek/ecmascript-language-specification-cn)
