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Contents
[](https://www.npmjs.com/package/esprima) [](https://www.npmjs.com/package/esprima) [](https://travis-ci.org/jquery/esprima) [](https://codecov.io/github/jquery/esprima) **Esprima** ([esprima.org](http://esprima.org), BSD license) is a high performance, standard-compliant [ECMAScript](http://www.ecma-international.org/publications/standards/Ecma-262.htm) parser written in ECMAScript (also popularly known as [JavaScript](https://en.wikipedia.org/wiki/JavaScript)). Esprima is created and maintained by [Ariya Hidayat](https://twitter.com/ariyahidayat), with the help of [many contributors](https://github.com/jquery/esprima/contributors). ### Features - Full support for ECMAScript 6 ([ECMA-262](http://www.ecma-international.org/publications/standards/Ecma-262.htm)) - Sensible [syntax tree format](https://github.com/estree/estree/blob/master/spec.md) as standardized by [ESTree project](https://github.com/estree/estree) - Optional tracking of syntax node location (index-based and line-column) - Heavily tested (~1200 [unit tests](https://github.com/jquery/esprima/tree/master/test/fixtures) with [full code coverage](https://codecov.io/github/jquery/esprima)) Esprima serves as a **building block** for some JavaScript language tools, from [code instrumentation](http://esprima.org/demo/functiontrace.html) to [editor autocompletion](http://esprima.org/demo/autocomplete.html). Esprima runs on many popular web browsers, as well as other ECMAScript platforms such as [Rhino](http://www.mozilla.org/rhino), [Nashorn](http://openjdk.java.net/projects/nashorn/), and [Node.js](https://npmjs.org/package/esprima). For more information, check the web site [esprima.org](http://esprima.org).
Version data entries
3 entries across 3 versions & 1 rubygems