This script works in Jquery 1.8.3 but does not work in higher version jquery. Can you help me someone find a problem? Thanks
$(document).ready(function(){
           
    $('#regions').change(function() {
      region = $(this).attr('value');
      $('#discrict').load('ajax.php', { p: region, s: 'okres' } );
      return false;
    });
    region = $('#regions').attr('value');
    $('#discrict').load('ajax.php', { p: region, s: 'okres' } );
});<select name="region" id="regions">
    <option value="0">region</option>
    <option value="1">region 1</option>
    <option value="2">region 2</option>
    <option value="3">region 3</option>
</select>
<div id="discrict"></div> 
     
    