JSFiddle - React, Tailwind, and code Playground

HTML

<a href="http://www.google.com">google</a>
<a href="http://www.microsoft.com">ms</a>
<a href="http://www.yahoo.com">yahooa>

JavaScript

var allLinks = document.evaluate(
                        '//a[@href]', 
                        window.document, 
                        null, 
                        XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, 
                        null);

alert(allLinks.snapshotLength);