Decimal to Binary converter

function decimalToBinary(inputNum) {

    let binary = [];

    while (inputNum > 0) {

        if (inputNum % 2 === 1) {

            binary.splice(0,0,1);
            inputNum = (inputNum - 1) / 2;

        } else {

            binary.splice(0,0,0);
            inputNum /= 2;
        }
    }

    binary = binary.join('');
    console.log(binary);
}