JSFiddle - React, Tailwind, and code Playground

HTML

<a href="mailto:[email protected]">[email protected]</a>
<a href="mailto:[email protected]">[email protected]</a>
<p id="demo"></p>

JavaScript

var a = document.getElementsByTagName('a');
for(var i = 0; i < a.length; i++){
    alert(a[i]);
 }