JSFiddle - React, Tailwind, and code Playground
by wrxsti85
HTML
<ul id="myList">
<li>item 0 <span>span 0</span></li>
<li>item 1 <span>span 1</span></li>
<li>item 2 <span>span 2</span></li>
<li>item 3 <span>span 3</span></li>
</ul>
JavaScript
var li = $("#myList li span").parent();
li.on("click", function(e){
alert(li.index(this));
});