30-seconds-of-code/snippets/initial.md

title, tags, firstSeen, lastUpdated

title	tags	firstSeen	lastUpdated
initial	array,beginner	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(0, -1) to return all but the last element of the array.

const initial = arr => arr.slice(0, -1);

initial([1, 2, 3]); // [1, 2]