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index.html
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index.html
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<html>
<head>
<title>JSFuck - Write any JavaScript with 6 Characters: []()!+</title>
<meta name="description" content="JSFuck is an esoteric and educational programming style based on the atomic parts of JavaScript. It uses only six different characters to execute code.">
<meta charset="utf-8" />
<meta property="og:image" content="http://www.jsfuck.com/preview.png" />
<meta name="viewport" content="width=device-width" />
<style>
body {
padding: 20px;
}
body, * {
font-family: monospace;
font-size: 14px;
line-height: 1.4em;
}
h1 {
font-size: 2em;
position: absolute;
top: 70px;
font-weight: normal;
left: 140px;
}
h2 {
width: 90px;
text-align: right;
padding: 50px 5px 5px;
background: #F0DB4E;
color: #323230;
font-weight: bold;
font-size: 20px;
line-height: 1em;
}
h3 {
font-weight: bold;
}
p, li, textarea, .actions {
width: 100%;
max-width: 600px;
}
textarea {
display: block;
height: 200px;
margin: 1em 0;
}
ul.pre li{
white-space: pre;
}
.checkbox {
display: inline-block;
}
.actions a {
float: right;
}
.actions {
clear: both;
}
</style>
</head>
<body>
<h1>JSFuck</h1>
<h2>()+<br>[]!</h2>
<p>JSFuck is an esoteric and educational programming style based on the
atomic parts of JavaScript. It uses only six different characters to
write and execute code.</p>
<p>It does not depend on a browser, so you can even run it on Node.js.</p>
<p>Use the form below to convert your own script. Uncheck "eval source" to
get back a plain string.</p>
<input id="input" type="text" value="alert(1)"/>
<button id="encode" type="text">Encode</button>
<div class="checkbox">
<input id="eval" type="checkbox" checked />
<label for="eval">Eval Source</label>
</div>
<div class="checkbox">
<input id="scope" type="checkbox" checked />
<label for="scope">Run In Parent Scope</label>
</div>
<textarea id="output"></textarea>
<div class="actions">
<span id="stats">…</span>
<a id="run" href="#">Run This</a>
</div>
<h3>Links</h3>
<ul>
<li>
Share on
<a href="https://twitter.com/intent/tweet?text=This%20project%20is%20crazy:%20http://jsfuck.com%20%E2%80%93%20Write%20any%20JavaScript%20with%206%20characters%20[]()!%2B%20//%20via%20@aemkei" target="_blank">Twitter</a>
</li>
<li>View source on <a href="http://github.com/aemkei/jsfuck">GitHub</a></li>
<li>Follow <a href="http://twitter.com/aemkei">@aemkei</a> (Martin Kleppe)</li>
<li>Original discussion at <a href="http://sla.ckers.org/forum/read.php?24,32930">Sla.ckers.org</a></li>
</ul>
<h3>Alternatives</h3>
<ul>
<li><a href="http://patriciopalladino.com/files/hieroglyphy/">Hieroglyphy</a> (8 chars, browser only)</li>
<li><a href="http://utf-8.jp/public/jsfuck.html">utf-8.jp</a> (broken)</li>
<li><a href="http://discogscounter.getfreehosting.co.uk/js-noalnum.php">JS-NoAlnum</a> (broken)</li>
</ul>
<h3>Basics</h3>
<ul class="pre">
<li>false => ![]</li>
<li>true => !![]</li>
<li>undefined => [][[]]</li>
<li>NaN => +[![]]</li>
<li>0 => +[]</li>
<li>1 => +!+[]</li>
<li>2 => !+[]+!+[]</li>
<li>10 => [+!+[]]+[+[]]</li>
<li>Array => []</li>
<li>Number => +[]</li>
<li>String => []+[]</li>
<li>Boolean => ![]</li>
<li>Function => []["filter"]</li>
<li>eval => []["filter"]["constructor"]( CODE )()</li>
<li>window => []["filter"]["constructor"]("return this")()</li>
</ul>
<p>See the full list <a href="https://github.com/aemkei/jsfuck/blob/master/jsfuck.js">here</a>.</p>
<script src="jsfuck.js"></script>
<script>
function $(id){
return document.getElementById(id);
}
function encode(){
var output = JSFuck.encode($("input").value, $("eval").checked, $("scope").checked);
$("output").value = output;
$("stats").innerHTML = output.length + " chars";
}
$("encode").onclick = encode;
$("eval").onchange = encode;
$("scope").onchange = encode;
encode();
$("run").onclick = function(){
value = eval($("output").value);
if (!$("eval").checked){
alert('"' + value + '"');
}
return false;
};
</script>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-57649-11']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
</body>
</html>