php - Get the date value in mm/dd/yyyy format in javascript -

if entering date in first text box need duration in second textbox taking differece current date, somting working fine dd/mm/yyyy format,but need enter date in mm/dd/yyyy format. working code here please me

<input type="text" name"mydate" id="mydate" placeholder="mm/dd/yyyy"> <input type="text" name="duration" id="duration">  <script> function getyearfn() { = $("#mydate").val().split("/"); var fromdate = new date(from[2], (from[1]-1), from[0]);                          var today = new date();               var year1 = fromdate.getfullyear();                               var year2 = today.getfullyear();               var yeardiff = year2 - year1;               var month1 = fromdate.getmonth()+1;                                 var month2 = today.getmonth()+1;               var monthdiff = (month1 - month2)*-1;               $('#duration').val(yeardiff +" " +"years"+" "+monthdiff*-1 +""+"months" ) } </script> 

you have interchange parameters in date creation.
instead of

var fromdate = new date(from[2], (from[1]-1), from[0]); 

use

var fromdate = new date(from[2], (from[0]-1), from[1]);