Converts date objects to YYYY-MM-DD

convertdatetoyyyymmdd

// Converts date object to yyyy-mm-dd
var convertDateToString = function(timestamp) {
    var yyyy =  timestamp.getFullYear();
    var mm   =  timestamp.getMonth();
    var dd   =  timestamp.getDate();

    if(mm < 10) mm = '0' + mm.toString();
    if(dd < 10) dd = '0' + dd.toString();
    yyyy = yyyy.toString();

    return yyyy + '-' + mm + '-' + dd;
}