how can get date from this formate January 26th, 2021 in 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: how make date object in jquery from custom date

var formattedDate = new Date("yourUnformattedOriginalDate");
var d = formattedDate.getDate();
var m =  formattedDate.getMonth();
m += 1;  // JavaScript months are 0-11
var y = formattedDate.getFullYear();

$("#txtDate").val(d + "." + m + "." + y);