show country flag in dropdown in jquery

 To show country flag like below in Jquery dropdown you can follow below steps.

Download Country Select plugin https://www.jqueryscript.net/form/country-picker-flags.html

1. <link href="~/Content/countrySelect.min.css" rel="stylesheet" />  
2. <script src="~/Scripts/jquery-3.4.1.min.js"></script>  
3.   
4. <script src="~/Scripts/countrySelect.min.js"></script>  
5.   
6.   
7. <form>  
8.     <div>Selector Plugin</div>  
9.     <div class="form-item">  
10.         <input id="country_selector" type="text">  
11.        
12.     </div>  
13.     <div class="form-item" style="display:none;">  
14.         <input type="text" id="country_selector_code" name="country_selector_code" data-countrycodeinput="1" readonly="readonly" placeholder="Selected country code will appear here" />  
15.        
16.     </div>  
17.      
18. </form>  
19.   
20. <script>  
21.     $("#country_selector").countrySelect({  
22.         preferredCountries: ['ind', 'pak', 'aus']  
23.     });  
24. </script>