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30-seconds-of-code/snippets/initial.md
2022-12-04 22:20:49 +02:00

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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]