JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://davidstutz.github.io/bootstrap-multiselect/dist/js/bootstrap-multiselect.js"></script>
<select name="ts_client_id[]" id="ts_client_id"  multiple="multiple"  class="form-control width-sm-size row-left-xxsm-margin" >
<option value="2"  selected="selected" >Option 1</option>
<option value="1"  selected="selected" >Option 2</option>
<option value="7"  selected="selected" >Option 3</option>
</select>

JavaScript

$(function() {
    $('#ts_client_id').multiselect({
        onDropdownHidden: function(event){
            alert('hi');
            //window.location.reload();
        },
        enableFiltering: true,
        enableCaseInsensitiveFiltering: true,
        selectedClass: null,
        nonSelectedText: 'All Clients',
        includeSelectAllOption: true,
        buttonWidth: '100%',
        maxHeight: 250
    });
});