Роман Песков 4

function doCompare(a, b) {

    let arr = a.split('');
    let arr2 = b.split('');

    for (let i = 0; i < arr2.length; i++) {
        if (arr2[i] === ' ') {
            continue;
        }

        if (arr.length == 0) return false;

        for (let j = 0; j < arr.length; j++) {
            if (arr[j] === arr2[i]) {
                arr.splice(j, 1);
                break;
            }
        }
    }

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