how to get the cartesian product of two sets in javascript

index.tsx
function cartesianProduct(setA, setB) {
  const product = [];
  
  for (let a of setA) {
    for (let b of setB) {
      product.push([a, b]);
    }
  }
  
  return product;
}
176 chars
12 lines

index.tsx
const setA = ['a', 'b', 'c'];
const setB = [1, 2, 3];

const product = cartesianProduct(setA, setB);
console.log(product);
// Output: [['a', 1], ['a', 2], ['a', 3], ['b', 1], ['b', 2], ['b', 3], ['c', 1], ['c', 2], ['c', 3]]
225 chars
7 lines