30-seconds-of-code
Version:
A collection of useful JavaScript snippets.
15 lines (10 loc) • 296 B
Markdown
### tail
Returns all elements in an array except for the first one.
Return `Array.slice(1)` if the array's `length` is more than `1`, otherwise, return the whole array.
```js
const tail = arr => (arr.length > 1 ? arr.slice(1) : arr);
```
```js
tail([1, 2, 3]); // [2,3]
tail([1]); // [1]
```