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+# array-find-index [![Build Status](https://travis-ci.org/sindresorhus/array-find-index.svg?branch=master)](https://travis-ci.org/sindresorhus/array-find-index)
+
+> ES2015 [`Array#findIndex()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex) [ponyfill](https://ponyfill.com)
+
+
+## Install
+
+```
+$ npm install --save array-find-index
+```
+
+
+## Usage
+
+```js
+const arrayFindIndex = require('array-find-index');
+
+arrayFindIndex(['rainbow', 'unicorn', 'pony'], x => x === 'unicorn');
+//=> 1
+```
+
+
+## API
+
+Same as `Array#findIndex()`, but with the input array as the first argument.
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)