array-find-index 

ES2015 [Array#findIndex()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex) ponyfill

Ponyfill: A polyfill that doesn't overwrite the native method

Install

$ npm install --save array-find-index

Usage

js
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