isAnagram.js

function isAnagram(w1, w2) {
  if (w1.length !== w2.length) {
    return false
  }

  const a1 = Array.from(w1).sort()
  const a2 = Array.from(w2).sort()

  for (let i = 0; i < a1.length; i++) {
    if (a1[i] !== a2[i]) {
      return false
    }
  }

  return true
}