javascript - set value of the textbox equal to the first activated date in datepicker -

help please,

my code working, , activating day of week want, default textbox has no value, want value of textbox equal first date activated in datepicker

as u can see in picture, wednesday day activated, want first day activated (5-april-2017) in case value of textbox

my code is:

<script>  var j = 3;  $(function() {   			$('#datepicker').datepicker({  				mindate: 0,  				beforeshowday: function(date) {          				var weekday = parseint(j, 10);  				if (weekday === date.getday()) {  					return [true, '', ''];  				}  				return [false, '', ''];  				}  			});  			// getter  			var mindate = $( '#datepicker' ).datepicker( "option", "mindate" );			  			$( '#datepicker' ).datepicker( "option", "dateformat", "yy-mm-dd" );  });  </script>

<input type=text name='dtpick' id='datepicker'>

if got question want:

$(function() {    $('#datepicker').datepicker({     mindate: 0,     beforeshowday: function(date) {             var weekday = parseint(j, 10);     if (weekday === date.getday()) {         return [true, '', ''];     }     return [false, '', ''];     }   }); });   $(document).ready(function($) {    var mindate = $('#datepicker').datepicker("option", "mindate");     $( "#datepicker" ).datepicker( "setdate", mindate); }); 

you have pass mindate variable setdate method.