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

title, tags, expertise, firstSeen, lastUpdated

title	tags	expertise	firstSeen	lastUpdated
Unique values in array	array	beginner	2018-01-17T19:02:49+02:00	2020-10-22T20:24:44+03:00

Finds all unique values in an array.

• Create a Set from 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]