16 lines
204 B
Markdown
16 lines
204 B
Markdown
---
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title: head
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tags: array,beginner
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---
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Returns the head of a list.
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Use `arr[0]` to return the first element of the passed array.
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```js
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const head = arr => arr[0];
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```
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```js
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head([1, 2, 3]); // 1
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``` |