https://github.com/ecrmnn/extract-index

Extract values from an array of arrays by index
https://github.com/ecrmnn/extract-index

array-manipulations array-processing arrays extract extract-data

Last synced: 2 months ago
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Extract values from an array of arrays by index

• Host: GitHub
• URL: https://github.com/ecrmnn/extract-index
• Owner: ecrmnn
• License: mit
• Created: 2017-04-04T17:38:14.000Z (almost 9 years ago)
• Default Branch: master
• Last Pushed: 2017-04-04T17:41:20.000Z (almost 9 years ago)
• Last Synced: 2025-08-30T16:48:02.010Z (4 months ago)
• Topics: array-manipulations, array-processing, arrays, extract, extract-data
• Language: JavaScript
• Homepage: https://npmjs.com/extract-index
• Size: 1.95 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

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README

          
# extract-index

> Extract values from an array of arrays by index

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### Installation

```bash

npm install extract-index --save

```

### Usage

```javascript

const extract = require('extract-index');

const data = [

  [1, 2, 3, 4, 5],

  [1, 2, 3, 4, 5],

  [1, 2, 3, 4, 5],

  [1, 2, 3, 4, 5],

  [1, 2, 3, 4, 5]

];

extract(data, [0]);

//=> [[1, 1, 1, 1, 1]]

extract(data, [2]);

//=> [[3, 3, 3, 3, 3]]

extract(data, [0, 4]);

//=> [

//=>   [1, 1, 1, 1, 1],

//=>   [5, 5, 5, 5, 5]

//=> ]

extract(data, [0, 4, 3]);

//=> [

//=>   [1, 1, 1, 1, 1],

//=>   [5, 5, 5, 5, 5],

//=>   [4, 4, 4, 4, 4]

//=> ]

```

### License

MIT © [Daniel Eckermann](http://danieleckermann.com)