JavaScript Code


JavaScript Sets


Sets

Set is a collection of unique values.

Create a new Set

new Set() creates a new empty Set.

const vowels = new Set();

We can also pass an array of elements as argument to create set with initial values.

const vowels = new Set(['a', 'e', 'i', 'o', 'u']);

Add Items to Set

Set.add() method adds a new element to the set.

const vowels = new Set();
vowels.add('a');
vowels.add('e');
vowels.add('i');
vowels.add('o');
vowels.add('u');

Delete Items from Set

Set.delete() method removes specified element from the set.

const vowels = new Set(['a', 'e', 'i', 'o', 'u']);
vowels.delete('a');
vowels.delete('u');

Set Constructor

Set Properties

Set Methods