JSFiddle - React, Tailwind, and code Playground

HTML

<div id="arr">
   <div class="test">sdvsdvsdv</div>
   <div class="test">4349567294</div>
</div>

JavaScript

var element = document.getElementById('arr');
element.addEventListener('click', function(e){
	var target = e.target; // элемент по которому кликнули
  var value = target.innerHTML;
  alert(value);
}, false);