SOURCE

const a = [3, 4, 5, 5, 8, 9]
const b = [9, 8, 3, 4, 5, 5]
const c = [1, 5, 7, 8, 9, 0]
const d = [3, 4, 5, 6]
function comparison(a, b) {
    if (a.length !== b.length) {
        return false
    }
    let i = 0;
    a.forEach((item) => {
        if (!b.includes(item)) {
            i++
            return false
        }
    })
    if (i > 0) {
        return false
    }
    return true
}
const e = comparison(a, b);
console.log(e);
const f = comparison(a, c);
console.log(f);
const g = comparison(a, d);
console.log(g);