JSFiddle - React, Tailwind, and code Playground
HTML
<p id="test">
<p></p>
<p></p>
</p>
JavaScript
var a = document.getElementById('test');
var b = a.getElementsByTagName('p');
console.log(a);
console.log(b);
<p id="test">
<p></p>
<p></p>
</p>
var a = document.getElementById('test');
var b = a.getElementsByTagName('p');
console.log(a);
console.log(b);