421 B
421 B
title, tags, firstSeen, lastUpdated
| title | tags | firstSeen | lastUpdated |
|---|---|---|---|
| tail | array,beginner | 2017-12-17T17:55:51+02:00 | 2020-10-22T20:24:30+03:00 |
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]