449 B
449 B
title, tags, cover, firstSeen, lastUpdated
| title | tags | cover | firstSeen | lastUpdated |
|---|---|---|---|---|
| Unique values in array | array | architectural | 2018-01-17T19:02:49+02:00 | 2020-10-22T20:24:44+03:00 |
Finds all unique values in an array.
- Create a
Setfrom the given array to discard duplicated values. - Use the spread operator (
...) to convert it back to an array.
const uniqueElements = arr => [...new Set(arr)];
uniqueElements([1, 2, 2, 3, 4, 4, 5]); // [1, 2, 3, 4, 5]