create a new set in javascript code example

Example 1: set js

// Use to remove duplicate elements from the array 

const numbers = [2,3,4,4,2,3,3,4,4,5,5,6,6,7,5,32,3,4,5]

//spreading numbers of the object into an array using the new operator
console.log([...new Set(numbers)]) 

// [2, 3, 4, 5, 6, 7, 32]

Example 2: set.contains in javascript

const set = new Set();

set.add(1);
set.add(2);
set.add(3);

console.log(set.has(2));  //true
console.log(set.has(4)); //false