JSFiddle - React, Tailwind, and code Playground

HTML

<div id="div1">
    <blah></blah>
        <span>This is reqd </span><blah></blah>
	<a href="#">Click Me </a>
    <blah></blah>
 </div>

JavaScript

document.getElementById( 'div1' ).getElementsByTagName( 'a' )[ 0 ].addEventListener('click', function() {
    alert( this.parentNode.getElementsByTagName( 'span' )[ 0 ].textContent );
}, false);