JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
     <li><span>Elem 1</span></li>
     <li><span>Elem 2</span></li>
     <li><span>Elem 3</span></li>
    </ul>

JavaScript

function clickHandler(event) {
    var target = event.target,
	breadcrumb = [];

	while (target) {
		breadcrumb.unshift(target.tagName);
		target = target.parentElement;
	}
	console.log(breadcrumb.join(" > "));
}
                
document.addEventListener('click', clickHandler, false);