JSFiddle - React, Tailwind, and code Playground

CSS

html, body { height: 100%; }

JavaScript

YUI().use('node', function(Y){
    Y.on('domready', function(){
        Y.one('body').append('<p>foo</p>').on('click', function(e){
            this.append('<div id="aDiv">i am a div</div>');
            alert(Y.one("#aDiv"));
        });
    });
});