Intersection of sets

set_intersection.js

function getIntersection(setA, setB) {
  const intersection = new Set(
    [...setA].filter(element => setB.has(element))
  );

  return intersection;
}

// const set1 = new Set(['a', 'b', 'c']);
// const set2 = new Set(['a', 'b', 'd', 'e']);

// console.log(getIntersection(set1, set2)); // 👉️ {'a', 'b'}