UglifyJS

UglifyJS: JavaScript Minifier

UglifyJS is a JavaScript minifier that compresses code by removing whitespace, shortening variable names, and applying other optimizations without changing functionality. It helps reduce bandwidth usage and script loading times.

What is UglifyJS?

UglifyJS is a popular open-source JavaScript minifier and compressor. It was originally developed by Mihai Bazon and is now maintained by a community of developers.

The main purpose of UglifyJS is to compress and minify JavaScript code by removing unnecessary characters like whitespace, comments, and prefixes without altering functionality. It also renames variables to shorter names and performs other code optimizations.

Using UglifyJS can significantly reduce the size of JavaScript files, resulting in faster page load times. It integrates well with popular JavaScript task runners like Grunt and Gulp. The minified code is also harder to read and understand, which can help protect source code.

Some of the key features of UglifyJS include:

• Removing whitespace, comments, and code formatting
• Shortening variable and function names (mangling)
• Dead code elimination and condition optimizations
• Support for ES6+ and JavaScript syntax
• Source map generation for debugging
• Integration with all major JavaScript build and bundling tools

UglifyJS is released under the BSD license and runs on all major platforms. It can be used for minifying code in web apps, Node.js projects, and JavaScript libraries and frameworks that need distribution to the browser.

UglifyJS Features

Official Links