JSFiddle - React, Tailwind, and code Playground

by vikastyagi87

HTML

<select id="header1_cbocity">  
    <option  value="2">Ahmedabad</option>
    <option  value="4">Bangalore</option>
    <option  value="14">Chennai</option>
    <option  value="20">Delhi</option>
    <option  value="33">Gurgaon</option>
    <option  value="167">Switzerland</option>
    <option  value="261">Tanzania</option>
    <option  value="168">Thailand</option>
    <option  value="263">Uganda</option>
    <option  value="169">United Kingdom (U.K)</option>
    <option  value="170">United States (U.S)</option>
    </select>

JavaScript

$('#header1_cbocity option:gt(3)').wrapAll('<optgroup label="country" />')