Compilado por Svein Petter Gjøby:
const array = (1, 1, 1, 3, 3, 2, 2); // Method 1: Using a Set const unique = (… new Set(array)); // Method 2: Array.prototype.reduce const unique = array.reduce((result, element) => ( return result.includes(element) ? result : (… result, element); ), ()); // Method 3: Array.prototype.filter const unique = array.filter((element, index) => ( return array.indexOf(element) === index; ));
