Convert date to format YYYYMMDD

The below function can be used to convert a date value to format YYYYMMDD.

function (inputDate) {
    // convert  to YYYYMMDD
    var date = new Date(inputDate);
    var d = date.getDate();
    var m = date.getMonth() + 1;
    var y = date.getFullYear()
    var dateString = (y+(m <= 9 ? '0' + m : m)+(d <= 9 ? '0' + d : d));
   var outputDate = format.parse({
        value: dateString,
        type: format.Type.DATE
    });
   return outputDate;
}