# debug-log [![Build Status](https://travis-ci.org/sindresorhus/debug-log.svg?branch=master)](https://travis-ci.org/sindresorhus/debug-log) > Node.js 0.12 [`util.debuglog()`](http://nodejs.org/api/util.html#util_util_debuglog_section) [ponyfill](https://ponyfill.com) ## Install ``` $ npm install --save debug-log ``` ## Usage ```js // example.js var debugLog = require('debug-log')('foo'); debugLog('unicorns & rainbows'); ``` ``` $ node example.js ``` ``` $ NODE_DEBUG=foo node example.js FOO 3245: unicorns & rainbows ``` ## API See the [`util.debuglog()` docs](http://nodejs.org/api/util.html#util_util_debuglog_section). ## License MIT © [Sindre Sorhus](http://sindresorhus.com)