JSFiddle - React, Tailwind, and code Playground
HTML
<div class="element"><h1>title</h1></div>
<div class="element"><img src="http://2.bp.blogspot.com/-ma66w8WJsZ0/UBVcmt3XS4I/AAAAAAAAAWw/4UyVd2eR8A0/s1600/olympic-logo.thumbnail.jpg" /></div>
<div id="debugger"></div>
JavaScript
$(".element").bind("click", function(){
var child = $(this).children().first().prop('tagName');
$("#debugger").html(child);
});