JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="menu">
  <li><a href="#">PHP</a></li>
  <li><a href="#">HTML</a></li>
  <li><a href="#">JavaScript</a></li>
  <li><a href="#">Flash</a></li>
</ul>

JavaScript

document.getElementById('menu').onclick = function(e) {

  if(e.target.tagName != "A") return

  var href = e.target.innerHTML="Щёлк";
  
 return false;
  

};