JSFiddle - React, Tailwind, and code Playground

JavaScript

var div2= document.createElement('div');  
        div2.className = "div2" ;
        var h1 = document.createElement('h1');
        h1.innerHTML= "test h1" ;
        var h2 = document.createElement('h2');
        h2.innerHTML= "test h2" ;
        var p = document.createElement('P');
        p.innerHTML= "p2" ;            
        div2.appendChild(h1);
        div2.appendChild(h2);
        div2.appendChild(p);
       document.getElementById('div1').appendChild(div2);