345 B
345 B
title, tags
| title | tags |
|---|---|
| tail | array,beginner |
Returns all elements in an array except for the first one.
- Return
Array.prototype.slice(1)ifArray.prototype.lengthis more than1, otherwise, return the whole array.
const tail = arr => (arr.length > 1 ? arr.slice(1) : arr);
tail([1, 2, 3]); // [2, 3]
tail([1]); // [1]