<script src="https://js.arcgis.com/4.25/"></script&gt; <script src="https://cdn.jsdelivr.net/gh/harvesthq/chosen@gh-pages/docsupport/jquery-3.2.1.min.js"></script&gt; <script src="https://cdn.jsdelivr.net/gh/harvesthq/chosen@gh-pages/chosen.jquery.min.js"></script&gt; <link href="https://cdn.jsdelivr.net/gh/harvesthq/chosen@gh-pages/chosen.min.css&quot; rel="stylesheet"> <script> $(document).ready(function() { $(".chosen-select").chosen({ no_results_text: "Oops, nothing found!" }) }); </script> <script> var dict1 = {‘Canada’: [”, ‘Toronto’],’USA’: [”, ‘Hawaii’]}; var dict2= {‘Toronto’: [”,’A’, ‘B’],Hawaii’: [‘C’, ‘D’]}; var dict3 = {‘A’: [‘Item1’, ‘Item2’], ‘B’: [‘Item3’, ‘Item4’], ‘C’: [‘Item5’, ‘Item6’], ‘D’: [‘Item7’, ‘Item8’] }; var regionOption =… Read More Populating options for JQuery multiple select