function haveSameValues(arr1, arr2) {
if (arr1.length !== arr2.length) {
return false;
}
const count = new Map();
arr1.forEach(n => count.set(n, (count.get(n) ?? 0) + 1));
arr2.forEach(n => count.set(n, (count.get(n) ?? 0) - 1));
return [...count.values()].every(n => n === 0);
}
haveSameValues(
[ 'hello, world!!', 0, 0, 0, 1, 1, false, false ],
[ false, false, 1, 1, 0, 0, 0, 'hello, world!!' ]
) // true
haveSameValues(
[ 1, 2, 3 ],
[ 3, 2, 2 ]
) // false
haveSameValues(
[],
[]
) // true
const areEqual = (arrA, arrB) => {
if (arrA.length !== arrB.length) return false;
const a = arrA.slice().sort(), b = arrB.slice().sort();
return a.every((el, i) => el === b[i]);
}
const areEqual = (arrA, arrB) => {
if (arrA.length !== arrB.length) return false;
const a = arrA.slice(), b = arrB.slice();
while (a.length) {
const i = b.indexOf(a.pop());
if (-1 === i) return false;
b.splice(i, 1);
}
return true;
}