const arr1 = ["interaction", "intro", "music_offtopic", "outro", "preview", "selfpromo", "sponsor"];
const arr2 = ["music_offtopic", "intro", "selfpromo", "interaction", "sponsor", "preview", "outro" ];

function test1(a,b) {
  if (a.length !== b.length) return false;
  a.sort()
  b.sort()
  for (var i = 0; i < a.length; i++) {
    if (a[i] !== b[i]) return false;
  }
  return true
}

function test2(a,b) {
  if (a.length !== b.length) return false;
  a.sort()
  b.sort()
  a.forEach((e,i) => { if (b[i]!==e) return false })
  return true
}

function test3(a,b) {
  if (a.length !== b.length) return false;
  a.forEach((e) => { if (!b.includes(e)) return false })
  return true
}

function test4(a,b) {
	a.sort()
	b.sort()
	return JSON.stringify(a) === JSON.stringify(b)
}

function test5(a,b) {
  if (a.length !== b.length) return false;
  a.forEach(function (e) { if (!b.includes(e)) return false })
  return true
}