30-seconds-of-code/snippets/js/s/unique-elements-in-array.md

title, type, language, tags, cover, dateModified

title	type	language	tags	cover	dateModified
Unique values in array	snippet	javascript	array	shelf-plant	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]