convert date to string in javascript dd-mm-yyyy code example

Example 1: javascript format date yyyy-mm-dd

let today = new Date()
today.toISOString().split('T')[0]

Example 2: javascript format date to dd-mm-yyyy

function pad2(n) {
  return (n < 10 ? '0' : '') + n;
}

var date = new Date();
var month = pad2(date.getMonth()+1);//months (0-11)
var day = pad2(date.getDate());//day (1-31)
var year= date.getFullYear();

var formattedDate =  day+"-"+month+"-"+year;
alert(formattedDate); //28-02-2021

Example 3: convert date format from yyyy-mm-dd to dd-mm-yyyy using value javascript

date.value.split("-").reverse().join("-");      //"2021-01-17" --> 17-01-2021

Example 4: javascript date to string format dd mmm yyyy

Date.prototype.toShortFormat = function() {

    let monthNames =["Jan","Feb","Mar","Apr",
                      "May","Jun","Jul","Aug",
                      "Sep", "Oct","Nov","Dec"];
    
    let day = this.getDate();
    
    let monthIndex = this.getMonth();
    let monthName = monthNames[monthIndex];
    
    let year = this.getFullYear();
    
    return `${day}-${monthName}-${year}`;  
}

// Now any Date object can be declared 
let anyDate = new Date(1528578000000);

// and it can represent itself in the custom format defined above.
console.log(anyDate.toShortFormat());