JSFiddle - React, Tailwind, and code Playground
JavaScript
a=document.createElement('div');
b=document.createElement('div');
c=document.createElement('div');
a.className='a';
b.className='b';
c.className='c';
c.innerHTML='df';
a.appendChild(b);
b.appendChild(c);
document.body.appendChild(a);
a.innerHTML='';
alert(b.innerHTML);