HTML/decompilerV2.html at main · LopenaFollower/HTML · GitHub

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<!DOCTYPE html>
<html>
	<head>
		<title>decompiler V2</title>
		<meta name="viewport"content="width=device-width,initial-scale=1">
		<style>
			#actual,#display{
				font-family:monospace;
				word-wrap:break-word;
				width:100%;
				font-size:15px;
				top:0;
				left:0;
				position:fixed;
			}
			#actual{
				resize:none;
				height:80%;
				color:rgba(0,0,0,0);
				caret-color:black;
				opacity:.2;
			}
			#display{
				margin-top:2px;
				margin-left:2px;
				z-index:-1;
				font-weight:900;
			}
			button{
				position:fixed;
				top:80%;
			}
			.str{
				color:brown;
			}
			.num{
				color:red;
			}
			.keywords{
				color:blue;
			}
			.bool{
				color:purple;
			}
		</style>
	</head>
	<body>
		<textarea id=actual>alert("Hello world")</textarea>
		<div id=display></div>
		<button onclick="try{eval(display.innerText)}catch(e){console.log(e.stack)}">Run</button>
		<script>
setInterval(()=>{
	Element.prototype.remove=_=>alert("we can't allow you");
	document.write=_=>alert("we can't allow you");
	debugger;
});
//prevents access to internal functions from the terminal
(function(loop,delay,log,$){
	let keywords=/(arguments|break|case|continue|debugger|default|delete|do|enum|eval|export|extends|finally|implements|import|in|instanceof|interface|new|package|private|protected|public|static|super|switch|throw|typeof|void|while|with|yield|var|let|this|const|function|await|async|for|return|if|else|try|catch)(?!"(?:(?:[^"]*"){2})*[^"]*)/g;
	let bool=/(NaN|true|false|null)(?!"(?:(?:[^"]*"){2})*[^"]*)/g;
	loop(()=>{
		$("display").innerHTML=
			$("actual").value
			.replaceAll(/\n/g,"<br/>")//newline
			.replaceAll(/"([^"]*)"/g,'<span class=str>"$1"</span>')
			.replaceAll(/'([^']*)'/g,"<span class=str>'$1'</span>")
			.replaceAll(/\d+/g,m=>`<span class=num>${m}</span>`)
			.replaceAll(keywords,"<span class=keywords>$1</span>")
			.replaceAll(bool,"<span class=bool>$1</span>");
		$("display").style.fontSize=window.getComputedStyle($("actual")).getPropertyValue("font-size");
	})
})(setInterval,setTimeout,console.log,n=>document.getElementById(n))
		</script>
	</body>
</html>