JSFiddle - React, Tailwind, and code Playground

HTML

<select id="scanner" name="scanner" class="form-control">
    <option>Murali</option>
    <option>Nuts</option>
</select>

JavaScript

$("#scanner").bind("change",function() { alert("Hello");

                                        var mod_url = "http://google.com"; 

    $.ajax({
      url : mod_url,
      cache: false,
      dataType: "json",
      type: "GET",
      async: false,
      data: {
        'request_type':'ajax', 
        'op':'get_all_stores'
      },
      success: function(result, success) { alert(result);
        $('#scanner').html(result);
      },
      error: function() {
        alert("Error is occured");
      }
    });
  });