string date to differ from now date format jquery code example

Example 1: jquery format date

function formatDate(date) {
     var d = new Date(date),
         month = '' + (d.getMonth() + 1),
         day = '' + d.getDate(),
         year = d.getFullYear();

     if (month.length < 2) month = '0' + month;
     if (day.length < 2) day = '0' + day;

     return [year, month, day].join('-');
 }
 alert(formatDate('05/08/2015'));

Example 2: dates in javascript

new Date();
// Sat Jan 16 2021 22:08:57 GMT-0500 (Eastern Standard Time)
Date.now();
// 1610852869057  -> Seconds passed since Jan 1,1970

// Set the date
new Date(year, month, day hours, minutes, seconds, milliseconds)