JSFiddle - React, Tailwind, and code Playground

by markm

HTML

<custom>
  <p>This is a text</p>
</custom>

JavaScript

nodes = document.getElementsByTagName('custom');
for (var i = 0; i< nodes.length; ++i) {
    paragraphs = nodes[i].getElementsByTagName('p');
    alert(paragraphs[0].innerHTML);
    }