JAVASCRIPT

use set to remove duplicates in javascript

const names = ['John', 'Paul', 'George', 'Ringo', 'John'];

let unique = [...new Set(names)];
console.log(unique); // 'John', 'Paul', 'George', 'Ringo'

remove duplicates in javascript array (using set)

const arrayWithDuplicateValues = [1, 2, 2, 3, 4, 5, 6, 7, 7, 7, 8, 9];
const uniqueValues = [...new Set(arrayWithDuplicateValues)];

console.log(uniqueValues);

//same code with spread operator


const arrayWithDuplicateValues = [1, 2, 2, 3, 4, 5, 6, 7, 7, 7, 8, 9];
const uniqueValues = Array.from(new Set(arrayWithDuplicateValues));

console.log(uniqueValues);