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
const set1 = new Set([1, 2, 3, 4, 5]);console.log(set1.has(1));// expected output: trueconsole.log(set1.has(5));// expected output: trueconsole.log(set1.has(6));// expected output: false