397 B
397 B
title, tags, cover, firstSeen, lastUpdated
| title | tags | cover | firstSeen | lastUpdated |
|---|---|---|---|---|
| Array without last element | array | blog_images/red-light.jpg | 2017-12-17T16:41:31+02:00 | 2020-11-03T21:46:13+02:00 |
Returns all the elements of an array except the last one.
- Use
Array.prototype.slice()to return all but the last element of the array.
const initial = arr => arr.slice(0, -1);
initial([1, 2, 3]); // [1, 2]