giftsFromSanta.js

function giftsFromSanta(input) {
    let n = Number(input[0]);
    let m = Number(input[1]);
    let s = Number(input[2]);
    let result = "";
    let wholeNumber = true;
    let conditions = true;

    if (n >= 0 && n < m && m <= 10000) {
        conditions = true;
    } else {
        conditions = false;
    }
    if (Number.isInteger(n) && Number.isInteger(m) && Number.isInteger(s)) {
        wholeNumber = true;
    } else {
        wholeNumber = false;
    }
    if (wholeNumber && conditions) {
        for (i = m; i >= n; i--) {
            if (i % 2 === 0 && i % 3 === 0) {
                if (i === s) {
                    break;
                }
                result += "" + i + " ";
            }
        }

        console.log(result);
    }
}

giftsFromSanta(["1", "30", "15"]);
giftsFromSanta(["1", "36", "12"]);
giftsFromSanta(["20", "1000", "36"]);