JSFiddle - React, Tailwind, and code Playground

HTML

<a href=""></a>
<a href=""></a>
<a href=""></a>
<a href=""></a>

JavaScript

var one = document.getElementsByTagName("a");
if (one.length) 
{
    alert("correct, four anchors"); 
} 
else 
{
    alert("wrong");
}