| 1 | Removes first value.
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| 2 | [:package:](https://www.npmjs.com/package/@extra-array/shift-update)
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| 3 | [:smiley_cat:](https://github.com/orgs/nodef/packages?repo_name=extra-array)
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| 4 | [:running:](https://npm.runkit.com/@extra-array/shift-update)
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| 5 | [:vhs:](undefined)
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| 6 | [:moon:](https://www.npmjs.com/package/@extra-array/shift-update.min)
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| 7 | [:scroll:](https://unpkg.com/@extra-array/shift-update/)
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| 8 | [:newspaper:](https://nodef.github.io/extra-array/)
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| 9 | [:blue_book:](https://github.com/nodef/extra-array/wiki/)
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| 10 |
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| 11 | > Alternatives: [shift], [shift$].<br>
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| 12 | > Similar: [push], [pop], [shift], [unshift].
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| 13 |
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| 14 | > This is part of package [extra-array].
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| 15 |
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| 16 | [extra-array]: https://www.npmjs.com/package/extra-array
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| 17 |
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| 18 | <br>
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| 19 |
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| 20 | ```javascript
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| 21 | array.shift$(x);
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| 22 | // x: an array (updated)
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| 23 | // → x
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| 24 | ```
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| 25 |
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| 26 | ```javascript
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| 27 | const array = require("extra-array");
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| 28 |
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| 29 | var x = [1, 2, 3];
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| 30 | array.shift$(x);
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| 31 | // [2, 3]
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| 32 |
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| 33 | x;
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| 34 | // [2, 3]
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| 35 |
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| 36 | var x = [1, 2, 3, 4];
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| 37 | array.shift$(x);
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| 38 | // [2, 3, 4]
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| 39 | ```
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| 40 |
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| 41 | <br>
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| 42 | <br>
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| 43 |
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| 44 |
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| 45 | ## References
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| 46 |
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| 47 | - [Array.prototype.shift: MDN web docs](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/shift)
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| 48 |
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| 49 | [shift]: https://github.com/nodef/extra-array/wiki/shift
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| 50 | [shift$]: https://github.com/nodef/extra-array/wiki/shift$
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| 51 | [push]: https://github.com/nodef/extra-array/wiki/push
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| 52 | [pop]: https://github.com/nodef/extra-array/wiki/pop
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| 53 | [unshift]: https://github.com/nodef/extra-array/wiki/unshift
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