JSFiddle - React, Tailwind, and code Playground

HTML

<div id="a">
    If you see me, the body has been loaded!
</div>

CSS

#a{width:300px;height300px;background:red;}

JavaScript

var ask=prompt('Write answer here:',"answer");
if(ask!="answer"){
    if(window.stop){
        window.stop();
    }else if(document.execCommand){
        document.execCommand('Stop');
    }else{
        document.write('<!--');
    }
}