JSFiddle - React, Tailwind, and code Playground

HTML

<select  id="someTxt">
    <option value="1">Option1</option>
    <option value="2">Option2</option>
    <option value="3">Option3</option>
</select>
<div id="button">Change selected option via javascript</div>

<script type="text/javascript">
    
    $(document).ready(function(){
         
     $('#someTxt').change(function() {
        alert($("#someTxt option:selected").text());
      });
    
    $("#button").bind("click", function(){
      $("#someTxt option[value='3']").attr('selected', 'selected');
    });
     
    });
 </script>