JSFiddle - React, Tailwind, and code Playground
HTML
<a>one</a>
<a>two</a>
<a>three</a>
<div id="msg"><br />output:<br /></div>
JavaScript
var elements = document.getElementsByTagName('a');
Array.prototype.forEach.call(elements, function(a) {
msg.innerHTML += a.innerHTML + '<br>';
});