JSFiddle - React, Tailwind, and code Playground
by Alma Grace
HTML
<h1> first one</h1>
<h2> second one</h2>
<h3> third one</h3>
here's the main body
JavaScript
for(var ele=document.body.firstChild; ele; ele = ele.nextSibling){
alert(ele.nodeName);
debugger;
}