javascript - Jquery Dependent Dropdown to load on document ready -

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hello have depdent dropdown country sate , city , want load states , cities based on country on document ready function tried put document.ready (function())

but nothing works please update me how can use

my code here 

   function showstate(sel) {     var country_id = sel.options[sel.selectedindex].value;       $("#output1").html( "" );     $("#output2").html( "" );     if (country_id.length > 0 ) {        $.ajax({             type: "post",             url: "fetch_state.php",             data: "country_id="+country_id,             cache: false,             beforesend: function () {                  $('#output1').html('<img src="images/loading.gif">');             },             success: function(html) {                     $("#output1").html( html );             }         });     } }  function showcity(sel) {     var state_id = sel.options[sel.selectedindex].value;       if (state_id.length > 0 ) {       $.ajax({             type: "post",             url: "fetch_city.php",             data: "state_id="+state_id,             cache: false,             beforesend: function () {                  $('#output2').html('<img src="images/loading.gif">');             },             success: function(html) {                     $("#output2").html( html );             }         });     } else {         $("#output2").html( "" );     } }

you can try selectize.js @ "city / state selection" section.


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