The Tor Browser: browser/metro/base/content/jsshell/shell.html@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

     3 <html onclick="keepFocusInTextbox(event)">

     4 <head>

     5 <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">

     6 <title>JavaScript Shell 1.4</title>

     8 <script type="text/javascript">

     9 var

    10   histList = [""],

    11   histPos = 0,

    12   _scope = {},

    13   _win, // a top-level context

    14   question, // {String} the input command that's being evaluated. Accessed via

    15             // |Shell.question| from the target window for evaluation.

    16   _in, // {HTMLTextAreaElement} the textarea containing the input

    17   _out, // {HTMLDivElement} the output is printed to this element

    18   tooManyMatches = null,

    19   lastError = null,

    20   _jsVer = 0 // determines the way to execute the commands, see run()

    21   ;

    23 function refocus()

    24 {

    25   _in.blur(); // Needed for Mozilla to scroll correctly.

    26   _in.focus();

    27 }

    29 function init()

    30 {

    31   _in = document.getElementById("input");

    32   _out = document.getElementById("output");

    34   _win = window;

    36   if (opener && !opener.closed)

    37   {

    38     println("Using bookmarklet version of shell: commands will run in opener's context.", "message");

    39     _win = opener;

    40   }

    42   /* Run a series of (potentially async, but quick) tests to determine the

    43    * way to run code in this browser (for run()). Sets window._jsVer based

    44    * on the tests. */

    45   _jsVer = 0;

    46   for (var jsVerToTry=19; jsVerToTry>=15; jsVerToTry--) {

    47     run(window, "if(_jsVer < " + jsVerToTry + ") { " +

    48       "_jsVer=" + jsVerToTry + "; }", jsVerToTry);

    49   }

    51   initTarget();

    53   recalculateInputHeight();

    54   refocus();

    55 }

    57 /**

    58  * Runs |code| in |_win|'s context.

    59  * @param overridenJSVer {int} (optional) overrides the default (specified by _jsVer)

    60  *                             way to run the code.

    61  */

    62 function run(_win, code, overridenJSVer) {

    63   var jsVerToUse = overridenJSVer ? overridenJSVer : _jsVer;

    64   if (jsVerToUse <= 15) {

    65     _win.location.href = "javascript:" + code + "; void 0";

    66   } else {

    67     var sc = _win.document.createElement("script");

    68     sc.type="application/javascript;version=" + jsVerToUse/10;

    69     sc.src="data:application/x-javascript," + code;

    70     _win.document.body.appendChild(sc); // runs the script asynchronously

    71   }

    72 }

    74 function initTarget()

    75 {

    76   _win.Shell = window;

    77   _win.print = shellCommands.print;

    78 }

    81 // Unless the user is selected something, refocus the textbox.

    82 // (requested by caillon, brendan, asa)

    83 function keepFocusInTextbox(e)

    84 {

    85   var g = e.srcElement ? e.srcElement : e.target; // IE vs. standard

    87   while (!g.tagName)

    88     g = g.parentNode;

    89   var t = g.tagName.toUpperCase();

    90   if (t=="A" || t=="INPUT")

    91     return;

    93   if (window.getSelection) {

    94     // Mozilla

    95     if (String(window.getSelection()))

    96       return;

    97   }

    98   else {

    99     // IE

   100     if ( document.selection.createRange().text )

   101       return;

   102   }

   104   refocus();

   105 }

   107 function inputKeydown(e) {

   108   // Use onkeydown because IE doesn't support onkeypress for arrow keys

   110   //alert(e.keyCode + " ^ " + e.keycode);

   112   if (e.shiftKey && e.keyCode == 13) { // shift-enter

   113     // don't do anything; allow the shift-enter to insert a line break as normal

   114   } else if (e.keyCode == 13) { // enter

   115     // execute the input on enter

   116     try { go(); } catch(er) { alert(er); };

   117     setTimeout(function() { _in.value = ""; }, 0); // can't preventDefault on input, so clear it later

   118   } else if (e.keyCode == 38) { // up

   119     // go up in history if at top or ctrl-up

   120     if (e.ctrlKey || caretInFirstLine(_in))

   121       hist(true);

   122   } else if (e.keyCode == 40) { // down

   123     // go down in history if at end or ctrl-down

   124     if (e.ctrlKey || caretInLastLine(_in))

   125       hist(false);

   126   } else if (e.keyCode == 9) { // tab

   127     tabcomplete();

   128     setTimeout(function() { refocus(); }, 0); // refocus because tab was hit

   129   } else { }

   131   setTimeout(recalculateInputHeight, 0);

   133   //return true;

   134 };

   136 function caretInFirstLine(textbox)

   137 {

   138   // IE doesn't support selectionStart/selectionEnd

   139   if (textbox.selectionStart == undefined)

   140     return true;

   142   var firstLineBreak = textbox.value.indexOf("\n");

   144   return ((firstLineBreak == -1) || (textbox.selectionStart <= firstLineBreak));

   145 }

   147 function caretInLastLine(textbox)

   148 {

   149   // IE doesn't support selectionStart/selectionEnd

   150   if (textbox.selectionEnd == undefined)

   151     return true;

   153   var lastLineBreak = textbox.value.lastIndexOf("\n");

   155   return (textbox.selectionEnd > lastLineBreak);

   156 }

   158 function recalculateInputHeight()

   159 {

   160   var rows = _in.value.split(/\n/).length

   161     + 1 // prevent scrollbar flickering in Mozilla

   162     + (window.opera ? 1 : 0); // leave room for scrollbar in Opera

   164   if (_in.rows != rows) // without this check, it is impossible to select text in Opera 7.60 or Opera 8.0.

   165     _in.rows = rows;

   166 }

   168 function println(s, type)

   169 {

   170   if((s=String(s)))

   171   {

   172     var newdiv = document.createElement("div");

   173     newdiv.appendChild(document.createTextNode(s));

   174     newdiv.className = type;

   175     _out.appendChild(newdiv);

   176     return newdiv;

   177   }

   178   return false;

   179 }

   181 function printWithRunin(h, s, type)

   182 {

   183   var div = println(s, type);

   184   if (div) {

   185     var head = document.createElement("strong");

   186     head.appendChild(document.createTextNode(h + ": "));

   187     div.insertBefore(head, div.firstChild);

   188   }

   189 }

   192 var shellCommands =

   193 {

   194 load : function load(url)

   195 {

   196   var s = _win.document.createElement("script");

   197   s.type = "text/javascript";

   198   s.src = url;

   199   _win.document.getElementsByTagName("head")[0].appendChild(s);

   200   println("Loading " + url + "...", "message");

   201 },

   203 clear : function clear()

   204 {

   205   var CHILDREN_TO_PRESERVE = 3;

   206   while (_out.childNodes[CHILDREN_TO_PRESERVE])

   207     _out.removeChild(_out.childNodes[CHILDREN_TO_PRESERVE]);

   208 },

   210 print : function print(s) { println(s, "print"); },

   212 // the normal function, "print", shouldn't return a value

   213 // (suggested by brendan; later noticed it was a problem when showing others)

   214 pr : function pr(s)

   215 {

   216   shellCommands.print(s); // need to specify shellCommands so it doesn't try window.print()!

   217   return s;

   218 },

   220 props : function props(e, onePerLine)

   221 {

   222   if (e === null) {

   223     println("props called with null argument", "error");

   224     return;

   225   }

   227   if (e === undefined) {

   228     println("props called with undefined argument", "error");

   229     return;

   230   }

   232   var ns = ["Methods", "Fields", "Unreachables"];

   233   var as = [[], [], []]; // array of (empty) arrays of arrays!

   234   var p, j, i; // loop variables, several used multiple times

   236   var protoLevels = 0;

   238   for (p = e; p; p = p.__proto__)

   239   {

   240     for (i=0; i<ns.length; ++i)

   241       as[i][protoLevels] = [];

   242     ++protoLevels;

   243   }

   245   for(var a in e)

   246   {

   247     // Shortcoming: doesn't check that VALUES are the same in object and prototype.

   249     var protoLevel = -1;

   250     try

   251     {

   252       for (p = e; p && (a in p); p = p.__proto__)

   253         ++protoLevel;

   254     }

   255     catch(er) { protoLevel = 0; } // "in" operator throws when param to props() is a string

   257     var type = 1;

   258     try

   259     {

   260       if ((typeof e[a]) == "function")

   261         type = 0;

   262     }

   263     catch (er) { type = 2; }

   265     as[type][protoLevel].push(a);

   266   }

   268   function times(s, n) { return n ? s + times(s, n-1) : ""; }

   270   for (j=0; j<protoLevels; ++j)

   271     for (i=0;i<ns.length;++i)

   272       if (as[i][j].length)

   273         printWithRunin(

   274           ns[i] + times(" of prototype", j),

   275           (onePerLine ? "\n\n" : "") + as[i][j].sort().join(onePerLine ? "\n" : ", ") + (onePerLine ? "\n\n" : ""),

   276           "propList"

   277         );

   278 },

   280 blink : function blink(node)

   281 {

   282   if (!node)                     throw("blink: argument is null or undefined.");

   283   if (node.nodeType == null)     throw("blink: argument must be a node.");

   284   if (node.nodeType == 3)        throw("blink: argument must not be a text node");

   285   if (node.documentElement)      throw("blink: argument must not be the document object");

   287   function setOutline(o) {

   288     return function() {

   289       if (node.style.outline != node.style.bogusProperty) {

   290         // browser supports outline (Firefox 1.1 and newer, CSS3, Opera 8).

   291         node.style.outline = o;

   292       }

   293       else if (node.style.MozOutline != node.style.bogusProperty) {

   294         // browser supports MozOutline (Firefox 1.0.x and older)

   295         node.style.MozOutline = o;

   296       }

   297       else {

   298         // browser only supports border (IE). border is a fallback because it moves things around.

   299         node.style.border = o;

   300       }

   301     }

   302   }

   304   function focusIt(a) {

   305     return function() {

   306       a.focus();

   307     }

   308   }

   310   if (node.ownerDocument) {

   311     var windowToFocusNow = (node.ownerDocument.defaultView || node.ownerDocument.parentWindow); // Moz vs. IE

   312     if (windowToFocusNow)

   313       setTimeout(focusIt(windowToFocusNow.top), 0);

   314   }

   316   for(var i=1;i<7;++i)

   317     setTimeout(setOutline((i%2)?'3px solid red':'none'), i*100);

   319   setTimeout(focusIt(window), 800);

   320   setTimeout(focusIt(_in), 810);

   321 },

   323 scope : function scope(sc)

   324 {

   325   if (!sc) sc = {};

   326   _scope = sc;

   327   println("Scope is now " + sc + ".  If a variable is not found in this scope, window will also be searched.  New variables will still go on window.", "message");

   328 },

   330 mathHelp : function mathHelp()

   331 {

   332   printWithRunin("Math constants", "E, LN2, LN10, LOG2E, LOG10E, PI, SQRT1_2, SQRT2", "propList");

   333   printWithRunin("Math methods", "abs, acos, asin, atan, atan2, ceil, cos, exp, floor, log, max, min, pow, random, round, sin, sqrt, tan", "propList");

   334 },

   336 ans : undefined

   337 };

   340 function hist(up)

   341 {

   342   // histList[0] = first command entered, [1] = second, etc.

   343   // type something, press up --> thing typed is now in "limbo"

   344   // (last item in histList) and should be reachable by pressing

   345   // down again.

   347   var L = histList.length;

   349   if (L == 1)

   350     return;

   352   if (up)

   353   {

   354     if (histPos == L-1)

   355     {

   356       // Save this entry in case the user hits the down key.

   357       histList[histPos] = _in.value;

   358     }

   360     if (histPos > 0)

   361     {

   362       histPos--;

   363       // Use a timeout to prevent up from moving cursor within new text

   364       // Set to nothing first for the same reason

   365       setTimeout(

   366         function() {

   367           _in.value = '';

   368           _in.value = histList[histPos];

   369           var caretPos = _in.value.length;

   370           if (_in.setSelectionRange)

   371             _in.setSelectionRange(caretPos, caretPos);

   372         },

   373         0

   374       );

   375     }

   376   }

   377   else // down

   378   {

   379     if (histPos < L-1)

   380     {

   381       histPos++;

   382       _in.value = histList[histPos];

   383     }

   384     else if (histPos == L-1)

   385     {

   386       // Already on the current entry: clear but save

   387       if (_in.value)

   388       {

   389         histList[histPos] = _in.value;

   390         ++histPos;

   391         _in.value = "";

   392       }

   393     }

   394   }

   395 }

   397 function tabcomplete()

   398 {

   399   /*

   400    * Working backwards from s[from], find the spot

   401    * where this expression starts.  It will scan

   402    * until it hits a mismatched ( or a space,

   403    * but it skips over quoted strings.

   404    * If stopAtDot is true, stop at a '.'

   405    */

   406   function findbeginning(s, from, stopAtDot)

   407   {

   408     /*

   409      *  Complicated function.

   410      *

   411      *  Return true if s[i] == q BUT ONLY IF

   412      *  s[i-1] is not a backslash.

   413      */

   414     function equalButNotEscaped(s,i,q)

   415     {

   416       if(s.charAt(i) != q) // not equal go no further

   417         return false;

   419       if(i==0) // beginning of string

   420         return true;

   422       if(s.charAt(i-1) == '\\') // escaped?

   423         return false;

   425       return true;

   426     }

   428     var nparens = 0;

   429     var i;

   430     for(i=from; i>=0; i--)

   431     {

   432       if(s.charAt(i) == ' ')

   433         break;

   435       if(stopAtDot && s.charAt(i) == '.')

   436         break;

   438       if(s.charAt(i) == ')')

   439         nparens++;

   440       else if(s.charAt(i) == '(')

   441         nparens--;

   443       if(nparens < 0)

   444         break;

   446       // skip quoted strings

   447       if(s.charAt(i) == '\'' || s.charAt(i) == '\"')

   448       {

   449         //dump("skipping quoted chars: ");

   450         var quot = s.charAt(i);

   451         i--;

   452         while(i >= 0 && !equalButNotEscaped(s,i,quot)) {

   453           //dump(s.charAt(i));

   454           i--;

   455         }

   456         //dump("\n");

   457       }

   458     }

   459     return i;

   460   }

   462   // XXX should be used more consistently (instead of using selectionStart/selectionEnd throughout code)

   463   // XXX doesn't work in IE, even though it contains IE-specific code

   464   function getcaretpos(inp)

   465   {

   466     if(inp.selectionEnd != null)

   467       return inp.selectionEnd;

   469     if(inp.createTextRange)

   470     {

   471       var docrange = _win.Shell.document.selection.createRange();

   472       var inprange = inp.createTextRange();

   473       if (inprange.setEndPoint)

   474       {

   475         inprange.setEndPoint('EndToStart', docrange);

   476         return inprange.text.length;

   477       }

   478     }

   480     return inp.value.length; // sucks, punt

   481   }

   483   function setselectionto(inp,pos)

   484   {

   485     if(inp.selectionStart) {

   486       inp.selectionStart = inp.selectionEnd = pos;

   487     }

   488     else if(inp.createTextRange) {

   489       var docrange = _win.Shell.document.selection.createRange();

   490       var inprange = inp.createTextRange();

   491       inprange.move('character',pos);

   492       inprange.select();

   493     }

   494     else { // err...

   495     /*

   496       inp.select();

   497       if(_win.Shell.document.getSelection())

   498         _win.Shell.document.getSelection() = "";

   499         */

   500     }

   501   }

   502     // get position of cursor within the input box

   503     var caret = getcaretpos(_in);

   505     if(caret) {

   506       //dump("----\n");

   507       var dotpos, spacepos, complete, obj;

   508       //dump("caret pos: " + caret + "\n");

   509       // see if there's a dot before here

   510       dotpos = findbeginning(_in.value, caret-1, true);

   511       //dump("dot pos: " + dotpos + "\n");

   512       if(dotpos == -1 || _in.value.charAt(dotpos) != '.') {

   513         dotpos = caret;

   514 //dump("changed dot pos: " + dotpos + "\n");

   515       }

   517       // look backwards for a non-variable-name character

   518       spacepos = findbeginning(_in.value, dotpos-1, false);

   519       //dump("space pos: " + spacepos + "\n");

   520       // get the object we're trying to complete on

   521       if(spacepos == dotpos || spacepos+1 == dotpos || dotpos == caret)

   522       {

   523         // try completing function args

   524         if(_in.value.charAt(dotpos) == '(' ||

   525  (_in.value.charAt(spacepos) == '(' && (spacepos+1) == dotpos))

   526         {

   527           var fn,fname;

   528   var from = (_in.value.charAt(dotpos) == '(') ? dotpos : spacepos;

   529           spacepos = findbeginning(_in.value, from-1, false);

   531           fname = _in.value.substr(spacepos+1,from-(spacepos+1));

   532   //dump("fname: " + fname + "\n");

   533           try {

   534             with(_win.Shell._scope)

   535               with(_win)

   536                 with(Shell.shellCommands)

   537                   fn = eval(fname);

   538           }

   539           catch(er) {

   540             //dump('fn is not a valid object\n');

   541             return;

   542           }

   543           if(fn == undefined) {

   544              //dump('fn is undefined');

   545              return;

   546           }

   547           if(fn instanceof Function)

   548           {

   549             // Print function definition, including argument names, but not function body

   550             if(!fn.toString().match(/function .+?\(\) +\{\n +\[native code\]\n\}/))

   551               println(fn.toString().match(/function .+?\(.*?\)/), "tabcomplete");

   552           }

   554           return;

   555         }

   556         else

   557           obj = _win;

   558       }

   559       else

   560       {

   561         var objname = _in.value.substr(spacepos+1,dotpos-(spacepos+1));

   562         //dump("objname: |" + objname + "|\n");

   563         try {

   564           with(_win.Shell._scope)

   565             with(_win)

   566                 obj = eval(objname);

   567         }

   568         catch(er) {

   569           printError(er);

   570           return;

   571         }

   572         if(obj == undefined) {

   573           // sometimes this is tabcomplete's fault, so don't print it :(

   574           // e.g. completing from "print(document.getElements"

   575           // println("Can't complete from null or undefined expression " + objname, "error");

   576           return;

   577         }

   578       }

   579       //dump("obj: " + obj + "\n");

   580       // get the thing we're trying to complete

   581       if(dotpos == caret)

   582       {

   583         if(spacepos+1 == dotpos || spacepos == dotpos)

   584         {

   585           // nothing to complete

   586           //dump("nothing to complete\n");

   587           return;

   588         }

   590         complete = _in.value.substr(spacepos+1,dotpos-(spacepos+1));

   591       }

   592       else {

   593         complete = _in.value.substr(dotpos+1,caret-(dotpos+1));

   594       }

   595       //dump("complete: " + complete + "\n");

   596       // ok, now look at all the props/methods of this obj

   597       // and find ones starting with 'complete'

   598       var matches = [];

   599       var bestmatch = null;

   600       for(var a in obj)

   601       {

   602         //a = a.toString();

   603         //XXX: making it lowercase could help some cases,

   604         // but screws up my general logic.

   605         if(a.substr(0,complete.length) == complete) {

   606           matches.push(a);

   607           ////dump("match: " + a + "\n");

   608           // if no best match, this is the best match

   609           if(bestmatch == null)

   610           {

   611             bestmatch = a;

   612           }

   613           else {

   614             // the best match is the longest common string

   615             function min(a,b){ return ((a<b)?a:b); }

   616             var i;

   617             for(i=0; i< min(bestmatch.length, a.length); i++)

   618             {

   619               if(bestmatch.charAt(i) != a.charAt(i))

   620                 break;

   621             }

   622             bestmatch = bestmatch.substr(0,i);

   623             ////dump("bestmatch len: " + i + "\n");

   624           }

   625           ////dump("bestmatch: " + bestmatch + "\n");

   626         }

   627       }

   628       bestmatch = (bestmatch || "");

   629       ////dump("matches: " + matches + "\n");

   630       var objAndComplete = (objname || obj) + "." + bestmatch;

   631       //dump("matches.length: " + matches.length + ", tooManyMatches: " + tooManyMatches + ", objAndComplete: " + objAndComplete + "\n");

   632       if(matches.length > 1 && (tooManyMatches == objAndComplete || matches.length <= 10)) {

   634         printWithRunin("Matches: ", matches.join(', '), "tabcomplete");

   635         tooManyMatches = null;

   636       }

   637       else if(matches.length > 10)

   638       {

   639         println(matches.length + " matches.  Press tab again to see them all", "tabcomplete");

   640         tooManyMatches = objAndComplete;

   641       }

   642       else {

   643         tooManyMatches = null;

   644       }

   645       if(bestmatch != "")

   646       {

   647         var sstart;

   648         if(dotpos == caret) {

   649           sstart = spacepos+1;

   650         }

   651         else {

   652           sstart = dotpos+1;

   653         }

   654         _in.value = _in.value.substr(0, sstart)

   655                   + bestmatch

   656                   + _in.value.substr(caret);

   657         setselectionto(_in,caret + (bestmatch.length - complete.length));

   658       }

   659     }

   660 }

   662 function printQuestion(q)

   663 {

   664   println(q, "input");

   665 }

   667 function printAnswer(a)

   668 {

   669   if (a !== undefined) {

   670     println(a, "normalOutput");

   671     shellCommands.ans = a;

   672   }

   673 }

   675 function printError(er)

   676 {

   677   var lineNumberString;

   679   lastError = er; // for debugging the shell

   680   if (er.name)

   681   {

   682     // lineNumberString should not be "", to avoid a very wacky bug in IE 6.

   683     lineNumberString = (er.lineNumber != undefined) ? (" on line " + er.lineNumber + ": ") : ": ";

   684     println(er.name + lineNumberString + er.message, "error"); // Because IE doesn't have error.toString.

   685   }

   686   else

   687     println(er, "error"); // Because security errors in Moz /only/ have toString.

   688 }

   690 /**

   691  * Evaluates |s| or current input (_in.value) in the previously set up context.

   692  * @param {String} s - (optional) command to evaluate.

   693  */

   694 function go(s)

   695 {

   696   // save the command to eval in |question|, so that the target window can access

   697   // it when evaluating.

   698   _in.value = question = s ? s : _in.value;

   700   if (question == "")

   701     return;

   703   histList[histList.length-1] = question;

   704   histList[histList.length] = "";

   705   histPos = histList.length - 1;

   707   // Unfortunately, this has to happen *before* the JavaScript is run, so that

   708   // print() output will go in the right place.

   709   _in.value='';

   710   recalculateInputHeight();

   711   printQuestion(question);

   713   if (_win.closed) {

   714     printError("Target window has been closed.");

   715     return;

   716   }

   718   try { ("Shell" in _win) }

   719   catch(er) {

   720     printError("The JavaScript Shell cannot access variables in the target window.  The most likely reason is that the target window now has a different page loaded and that page has a different hostname than the original page.");

   721     return;

   722   }

   724   if (!("Shell" in _win))

   725     initTarget(); // silent

   727   // Evaluate Shell.question using _win's eval (this is why eval isn't in the |with|, IIRC).

   728   run(_win, "try{ Shell.printAnswer(eval('with(Shell._scope) with(Shell.shellCommands) {' + Shell.question + String.fromCharCode(10) + '}')); } catch(er) { Shell.printError(er); }; setTimeout(Shell.refocus, 0);");

   729 }

   731 </script>

   733 <!-- for http://ted.mielczarek.org/code/mozilla/extensiondev/ -->

   734 <script type="text/javascript" src="chrome://extensiondev/content/chromeShellExtras.js"></script>

   736 <style type="text/css">

   737   body { background: white; color: black; }

   739   #output {

   740     /* Preserve line breaks, but wrap too if browser supports it */

   741     white-space: pre;

   742     white-space: -moz-pre-wrap;

   743     white-space: pre-wrap;

   744   }

   746   h3 { margin-top: 0; margin-bottom: 0em; }

   747   h3 + div { margin: 0; }

   749   form { margin: 0; padding: 0; }

   750   #input { width: 100%; border: none; padding: 0; overflow: auto; }

   752   .input { color: blue; background: white; font: inherit; font-weight: bold; margin-top: .5em; /* background: #E6E6FF; */ }

   753   .normalOutput { color: black; background: white; }

   754   .print { color: brown; background: white; }

   755   .error { color: red; background: white; }

   756   .propList { color: green; background: white; }

   757   .message { color: green; background: white; }

   758   .tabcomplete { color: purple; background: white; }

   759 </style>

   760 </head>

   762 <body onload="init()">

   764 <div id="output"><h3>JavaScript Shell 1.4</h3><div>Features: autocompletion of property names with Tab, multiline input with Shift+Enter, input history with (Ctrl+) Up/Down, <a accesskey="M" href="javascript:go('scope(Math); mathHelp();');" title="Accesskey: M">Math</a>, <a accesskey="H" href="http://www.squarefree.com/shell/?ignoreReferrerFrom=shell1.4"  title="Accesskey: H">help</a></div><div>Values and functions: ans, print(string), <a accesskey="P" href="javascript:go('props(ans)')" title="Accesskey: P">props(object)</a>, <a accesskey="B" href="javascript:go('blink(ans)')" title="Accesskey: B">blink(node)</a>, <a accesskey="C" href="javascript:go('clear()')" title="Accesskey: C">clear()</a>, load(scriptURL), scope(object)</div></div>

   766 <div><textarea id="input" class="input" wrap="off" spellcheck="false" onkeydown="inputKeydown(event)" rows="1"></textarea></div>

   768 </body>

   770 </html>

The Tor Browser / file revision

browser/metro/base/content/jsshell/shell.html@b8a032363ba2

browser/metro/base/content/jsshell/shell.html