# is-observable [![Build Status](https://travis-ci.org/sindresorhus/is-observable.svg?branch=master)](https://travis-ci.org/sindresorhus/is-observable) > Check if a value is an [Observable](https://github.com/zenparsing/es-observable) ## Install ``` $ npm install is-observable ``` ## Usage ```js const isObservable = require('is-observable'); isObservable(Observable.of(1, 2)); //=> true ``` ## Related - [observable-to-promise](https://github.com/sindresorhus/observable-to-promise) - Convert an Observable to a Promise ## License MIT © [Sindre Sorhus](https://sindresorhus.com)