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