JSFiddle - React, Tailwind, and code Playground

HTML

<button class="btn1">clickme1</button> <br/>
<button class="btn2">clickme2</button>
<br/><br/>
<select id="dynamicChange" >
   <option value="1">changevalue1</option>
   <option value="2">changevalue2</option>
    <option value="2">changevalue3</option>
</select>

JavaScript

$(document).ready(function(){
    $(".btn1").click(function () {
       //this is change select value 1
        $('#dynamicChange').val('1').trigger('change');
    });
     $(".btn2").click(function () {
         //
         //this is change select value 1
         $('#dynamicChange').val('2').trigger('change');
    });
  
});