JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>Hello</li>
    <li>World</li>
    <li>Foo</li>
    <li>Bar</li>
</ul>

JavaScript

$('ul li').click(function() {
  var self   = $(this),
      index  = self.index(),
      text   = self.text();

  alert(text + ' ' + index);
});