hugh
/
jsfuck


			
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<html>

<head>

<script>

/* Supported letters & symbols */
var replacement_chars=[
/* */ '(NaN+[]["filter"])[11]',
/*!*/     'window["atob"]("If")[0]',
/*"*/ '("").fontcolor()[12]',
/*#*/     'window["atob"]("0iN")[1]',
/*$*/     'window["atob"]("0iT")[1]',
/*%*/     'window["atob"]("0iW")[1]',
/*&*/     'window["atob"]("0ia")[1]',
/*'*/     'window["atob"]("0if")[1]',
/*(*/ '(false+[]["filter"])[20]',
/*)*/ '(false+[]["filter"])[21]',
/***/     'window["atob"]("0ir")[1]',
/*+*/     'window["atob"]("0it")[1]',
/*,*/     'window["atob"]("0iy")[1]',
/*-*/ '(NaN+window["Date"]())[31]',
/*.*/     'window["atob"]("1i4")[1]',
/*/*/ '(true+("")["sub"]())[10]',

/*0-9 ignored*/ ,,,,,,,,,,

/*:*/ 'window["Date"]()[21]',
/*;*/     'window["atob"]("O0")[0]',
/*<*/ '("")["sub"]()[0]',
/*=*/ '("").fontcolor()[11]',
/*>*/ '("")["sub"]()[10]',
/*?*/     'window["atob"]("0j9")[1]',
/*@*/     'window["atob"]("00A")[1]',

/*A*/ '(+[]+[]["constructor"])[10]',
/*B*/ '(+[]+(false)["constructor"])[10]',
/*C*/     'window["atob"]("00N")[1]',
/*D*/     'window["atob"](00)[1]',
/*E*/     'window["atob"](01)[2]',
/*F*/ '(0+[]["filter"]["constructor"])[10]',
/*G*/     'window["atob"]("0f")[1]',
/*H*/     'window["atob"]("0t")[1]',
/*I*/ '("Infinity")[0]',
/*J*/     'window["atob"]("00r")[1]',
/*K*/     'window["atob"]("(")[0]',
/*L*/     'window["atob"]("/")[0]',
/*M*/     'window["atob"](0)[0]',
/*N*/ '("NaN")[0]',
/*O*/     'window["atob"](8)[0]',
/*P*/     'window["atob"]("<")[0]',
/*Q*/     'window["atob"]("a")[1]',
/*R*/     'window["atob"]("01I")[1]',
/*S*/ '(String+"")[9]',
/*T*/     'window["atob"]("N")[0]',
/*U*/     'window["atob"]("01W")[1]',
/*V*/     'window["atob"]("01a")[1]',
/*W*/     '(true+window)[12]',
/*X*/     'window["atob"]("01i")[1]',
/*Y*/     'window["atob"]("a")[0]',
/*Z*/     'window["atob"]("f")[0]',

/*[*/ '(undefined+[]["filter"])[33]',
/*\*/     'window["atob"]("01y")[1]',
/*]*/ '(true+[]["filter"])[40]',
/*^*/     'window["atob"](014)[1]',
/*_*/     'window["atob"](018)[1]',
/*`*/     'window["atob"]("02A")[1]',

/*a*/ '("false")[1]',
/*b*/ '(window+[])[2]',   // "[object"
/*c*/ '([]["filter"]+[])[3]',
/*d*/ '("undefined")[2]',
/*e*/ '("true")[3]',
/*f*/ '("false")[0]', 
/*g*/ '([]+("")["constructor"])[14]',
/*h*/ '(+(17))["toString"](18)',
/*i*/ '([false]+undefined)[10]',
/*j*/ '(window+[])[3]',
/*k*/ '(+(20))["toString"](21)',
/*l*/ '("false")[2]',
/*m*/ '(Number+[])[11]',
/*n*/ '("undefined")[1]',
/*o*/ '(true+[]["filter"])[10]',
/*p*/ '(+(25))["toString"](30)',
/*q*/ '(+(26))["toString"](30)',
/*r*/ '("true")[1]',
/*s*/ '("false")[3]',
/*t*/ '("true")[0]',
/*u*/ '("undefined")[0]',
/*v*/ '(+(31))["toString"](32)',
/*w*/ '(+(32))["toString"](33)',
/*x*/ '(+(33))["toString"](34)',
/*y*/ '(NaN+[Infinity])[10]',
/*z*/ '(+(35))["toString"](36)',

/*{*/ '(NaN+[]["filter"])[21]',
/*|*/     'window["atob"]("03y")[1]',
/*}*/ '(NaN+[]["filter"])[41]',
/*~*/     'window["atob"](234)[1]'
]

var reg;
var step=-1;

function makeDigit(d){
  var n=parseInt(d);
  var res="+[]";
  if (n>0)
    res="+!"+res;
  for (i=1;i<n;i++)
    res="+!+[]"+res;
  if (n>1)
    res=res.substr(1);
  return res;
}
function makeNumberStr(r){
  var res=makeDigit(r[0]);
  if (r.length>1)
    res+="+["+makeNumberStr(r.substr(1))+"]";
  return res;
}
function makeNumber(r){
  return "+("+makeNumberStr(r)+")";
}


function swapString(s){
  s=s.substring(1,s.length-1);
  s=s.replace(/\"/g,replacement_chars[2]);
  
  var constr=['false','true','NaN','Infinity','undefined'];
  var constr_r=['![]','!![]','+[![]]','+(+!+[]+(!+[]+[])[!+[]+!+[]+!+[]]+[+!+[]]+[+[]]+[+[]]+[+[]])','[][[]]'];

  function swapInner(str,f){
    if (str=="") return "";
    var rep="";
    var up=1;
    var enc=true;
    for (i=0;i<constr.length;i++)
      if (str.indexOf(constr[i])==0){
         rep=constr_r[i];
         up=constr[i].length;
         if (f&&str.length==up)
           rep+="+[]";
      }
    if (rep==""){
      rep=(/[0-9]+/).exec(str);
      if (rep!=null && str.indexOf(rep=String(rep))==0){
        up=rep.length;
        rep=makeNumberStr(rep);
      }
      else {
        enc=false;
        rep=replacement_chars[str.charCodeAt(0)-32];
      }
    }
    if (f)
      enc=false;
    return (f?"":"+")+(enc?"[":"")+rep+(enc?"]":"")+swapInner(str.substr(up),false);
  }
  return swapInner(s,true);
}


function noalnum(){

txt=" "+document.getElementById("txt").value+" ";

/* 1. FORMAT REFERENCES USING BRACKETS */
txt=txt.replace(/\.([a-zA-Z0-9_$]+)/gi,"[\"$1\"]");


/* 2. GROUND GLOBAL REFERENCES */
txt=txt.replace(/([\s()\[\]{};+])(alert|eval|atob|btoa|document)/g,"$1(window[\"$2\"])");


/* 3. REPLACE ESCAPED QUOTES */
txt=txt.replace(/\\"/g,replacement_chars[92-32]+replacement_chars[34-32]);
txt=txt.replace(/\\'/g,replacement_chars[92-32]+replacement_chars[39-32]);


/* Loop */
var it=0;
var old="";
while (txt!=old){
old=txt;


/* 3. REPLACE OBJECTS */
var objs=['String','Boolean','Function','Array','Number','Date','Object','window'];
var objs_r=['("")["constructor"]','(false)["constructor"]','[]["filter"]["constructor"]','[]["constructor"]','(0)["constructor"]','window["Date"]','(window["constructor"])["constructor"]','[]["sort"]["constructor"]("return this")()'];

for (i=0;i<objs.length;i++){
  reg=new RegExp("([\\s()\\[\\]{};,.+])"+objs[i]+"([\\s()\\[\\]{};,.+])","g");
  txt=txt.replace(reg,"$1"+objs_r[i]+"$2");
}


/* 4. REPLACE CONSTANTS */
var cons=['false','true','NaN','Infinity','undefined'];
var cons_r=['![]','!![]','+[![]]','+(+!+[]+(!+[]+[])[!+[]+!+[]+!+[]]+[+!+[]]+[+[]]+[+[]]+[+[]])','[][[]]'];

for (i=0;i<cons.length;i++){
  reg=new RegExp("([\\s()\\[\\]{};,.+])"+cons[i]+"([\\s()\\[\\]{};,.+])","g");
  txt=txt.replace(reg,"$1"+cons_r[i]+"$2");
}
txt=txt.replace(/([\(\)\[\]])("")([\(\)\[\]])/g,"$1[]+[]$3");
txt=txt.replace(/""/g,"([]+[])");

/* 5. REPLACE STRINGS */
txt=txt.replace(/"([^"]+)"/g,swapString);
txt=txt.replace(/'([^']+)'/g,swapString);

if (step==it)
  break;
it++;
}


/* 6. REPLACE NUMBERS */
txt=txt.replace(/([\(\)\[\]])([0-9]+)([\(\)\[\]])/g,function(a,b,c,d){return b+makeNumberStr(c)+d;});
txt=txt.replace(/[0-9]+/g,makeNumber);

document.getElementById("len").value=txt.length-2;
document.getElementById("out").value=txt.substring(1,txt.length-1);

}


</script>

</head>

<body bgcolor="FFFF99"  >

<p>Converts javascript command into no alnum version using only []()+! characters (unless you input extras).</p>

<p>Intended input: one line, no whitespace, no variables, function definitions or conditionals.</p>

<p>Note:
<br>~ Some obscure letters/symbols might not be implemented (will remain as they are in the output)
<br>~ A precise syntax is required:
<br> - Infinity, NaN, or any number needs to be enclosed when being added to something from behind
<br> - Numbers outside strings, ie. "abc"+123
<br> - Strings in double quotations, not nested
<br>~ Most problems caused by missing parentheses around strings
</p>

<p>
Example:
<br>alert(document.getElementById("txt").value+String.fromCharCode(33))
</p>

<p>Let me know if you find any improvements! Page tested with Firefox only.</p>

<br>Input:
<br><textarea id="txt" cols="80" rows="2">alert("Type your code here!")</textarea>
<br>
<input type="button" value="Convert" onclick="step=-1;noalnum()" />
<input type="button" value="Step" onclick="step++;noalnum()" />
<input type="button" value="eval(--v)" onclick="eval(document.getElementById('out').value);" />
<input type="button" value="alert(eval(--v))" onclick="alert(eval(document.getElementById('out').value));" />
<input type="button" value="Clear--^" onclick="document.getElementById('txt').value=''" />
<input type="button" value="Clear--v" onclick="document.getElementById('out').value=''" />
Output Length: <input type="text" size="12" id="len" />
<br>
<textarea id="out" cols="80" rows="30">alert("  Result shows here. ")</textarea>

</body>
</html>