1<!-- Select2 CSS --> 
2<link href="https://cdn.jsdelivr.net/npm/select2@4.1.0-beta.1/dist/css/select2.min.css" rel="stylesheet" /> 
3
4<!-- jQuery --> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> 
5
6<!-- Select2 JS --> 
7<script src="https://cdn.jsdelivr.net/npm/select2@4.1.0-beta.1/dist/js/select2.min.js"></script>

1<!-- Dropdown --> 
2<select id='selUser' style='width: 200px;'>
3  <option value='0'>Select User</option> 
4  <option value='1'>Yogesh singh</option> 
5  <option value='2'>Sonarika Bhadoria</option> 
6  <option value='3'>Anil Singh</option> 
7  <option value='4'>Vishal Sahu</option> 
8  <option value='5'>Mayank Patidar</option> 
9  <option value='6'>Vijay Mourya</option> 
10  <option value='7'>Rakesh sahu</option> 
11</select>
12
13<input type='button' value='Seleted option' id='but_read'>
14
15<br/>
16<div id='result'></div>