new Set()

Set() constructor is used to create a new set in JavaScript

new Set()
new Set(iterable)

• new is keyword
• Set is keyword
• iterable is an iterable object like array

Examples

1. create an empty Set vowels

//create an empty set
const vowels = new Set();
//print set
console.log('Set: ' + [...vowels].join(', '));

2. create a Set vowels from an array using Set() constructor

//create set with elements initialised from array
const vowels = new Set(['a', 'e', 'i', 'o', 'u']);
//print set
console.log('Set: ' + [...vowels].join(', '));