specialNumbers.js

function specialNumbers(input) {
    let index = 0;
    let n = Number(input[index]);
    index++;
    let result = "";

    for (let i = 1111; i < 9999; i++) {
        let currentNum = "" + i;
        let specialNumber = false;
        for (let i1 = 0; i1 < currentNum.length; i1++) {
            let currentInt = Number(currentNum[i1]);
            if (n % currentInt === 0) {
                specialNumber = true;
            } else {
                specialNumber = false;
                break;
            }
        }
        if (specialNumber) {
            result += "" + currentNum + " ";
        }
    }
    console.log(result);
}

specialNumbers(["3"]);