# is-finite [![Build Status](https://travis-ci.org/sindresorhus/is-finite.svg?branch=master)](https://travis-ci.org/sindresorhus/is-finite) > ES2015 [`Number.isFinite()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isFinite) [ponyfill](https://ponyfill.com) ## Install ``` $ npm install is-finite ``` ## Usage ```js var numIsFinite = require('is-finite'); numIsFinite(4); //=> true numIsFinite(Infinity); //=> false ``` ---