485 B
485 B
title, type, language, tags, cover, dateModified
| title | type | language | tags | cover | dateModified | |
|---|---|---|---|---|---|---|
| Array tail | snippet | javascript |
|
chubby-squirrel | 2020-10-22T20:24:30+03:00 |
Returns all elements in an array except for the first one.
- Use
Array.prototype.slice()to return the array without the first element 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]