Strip line and/or block comments from a string. Blazing fast, and works with JavaScript, Sass, CSS, Less.js, and a number of other languages.
PHP strip_tags in Node.js
PHP language support for the CodeMirror code editor
Locutus other languages' standard libraries to JavaScript for fun and educational purposes
PostCSS syntax for parsing HTML (and HTML-like)
Lightweight debugging utility for Node.js and the browser
Lodash modular utilities.
React is a JavaScript library for building user interfaces.
A querystring parser that supports nesting and arrays, with a depth limit
Higher-order functions and common patterns for asynchronous code
Babel compiler core.