JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://jqueryui.com/themes/base/jquery.ui.all.css">
<ul></ul>

CSS

.my-class {
    color: red;
}

JavaScript

var myList = $('ul');

var ele = myList.append("<li> \
<div class='name'>"+this.name+"</div> \
<div class='test'>test</div> \
                    </li>");
ele.find("div:nth-child(even)").addClass('my-class');