constructors.md

Constructors

• https://www.w3schools.com/js/js_object_constructors.asp

Set()

• https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/Set

const set1 = new Set([1, 2, 3, 4, 5]);

console.log(set1.has(1));
// expected output: true

console.log(set1.has(5));
// expected output: true

console.log(set1.has(6));
// expected output: false