16 lines
266 B
Markdown
16 lines
266 B
Markdown
---
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title: initial
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tags: array,beginner
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---
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Returns all the elements of an array except the last one.
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Use `arr.slice(0,-1)` to return all but the last element of the array.
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```js
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const initial = arr => arr.slice(0, -1);
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```
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```js
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initial([1, 2, 3]); // [1,2]
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``` |