JSFiddle - React, Tailwind, and code Playground

by jfriend00

HTML

<script id="login-popup" type="text/template"> 
  <h3 id="cover-msg" class="modal-title">You need to login to do that.</h3>
</script>
Resulting Template:<br>

JavaScript

var t = document.getElementById("login-popup");
var div = document.createElement("div");
div.innerHTML = t.innerHTML;
$(div).find("h3").addClass("title");
t.innerHTML = div.innerHTML;

// show the resulting HTML visually
var result = document.createElement("div");
result.textContent = div.innerHTML;
document.body.appendChild(result);