The Tor Browser / file revision

 function buildTable()

 {

     var seed = 0;

     var neutrals = ['"', ")", "("];

     var strongRTLs = ['א', 'ב', 'ג', 'ד', 'ה', 'ו', 'ז'];

     var strongLTRs = ['a', 'b', 'c', 'd', 'e', 'f', 'g'];

     var neutral = function() { return neutrals[seed++ % neutrals.length]; }

     var strongRTL = function() { return strongRTLs[seed++ % strongRTLs.length]; }

     var strongLTR = function() { return strongLTRs[seed++ % strongLTRs.length]; }

     var charClassExamples = [neutral, strongRTL, strongLTR];

     var possibleDirs = ['ltr', 'rtl'];

     var elem=document.getElementById("elem");

     for (outerDirIndex in possibleDirs) {

 	var outerDir = possibleDirs[outerDirIndex];

 	for (beforeSpanIndex in charClassExamples) {

             var beforeSpan = charClassExamples[beforeSpanIndex];

             for (spanDirIndex in possibleDirs) {

 		var spanDir = possibleDirs[spanDirIndex];

 		for (inSpanIndex in charClassExamples) {

                     var inSpan = charClassExamples[inSpanIndex];

                     for (afterSpanIndex in charClassExamples) {

 			var afterSpan = charClassExamples[afterSpanIndex];

 			function caseWithStyle() {

                             seed = 0;

                             var outerDiv = document.createElement("div");

                             outerDiv.dir = outerDir;

                             outerDiv.appendChild(document.createTextNode(beforeSpan()));

                             var span = document.createElement("span");

                             span.dir = spanDir;

                             span.setAttribute("class", "enclosed")

                             span.appendChild(document.createTextNode(inSpan()));

                             outerDiv.appendChild(span);

                             outerDiv.appendChild(document.createTextNode(afterSpan()));

                             return outerDiv;

 			}

 			elem.appendChild(caseWithStyle());

                     }

 		}

             }

 	}

     }

 }