Another update from ingydotnet^djgoku

Task/Multiplication-tables/JavaScript/multiplication-tables-2.js

@@ -0,0 +1,52 @@
+(function (m, n) {
+
+    // [m..n]
+    function range(m, n) {
+        return Array.apply(null, Array(n - m + 1)).map(function (x, i) {
+            return m + i;
+        });
+    }
+
+    // Monadic bind (chain) for lists
+    function chain(xs, f) {
+        return [].concat.apply([], xs.map(f));
+    }
+
+    var lstRange = range(m, n),
+
+        lstTable = [['x'].concat(lstRange)].concat(
+            chain(lstRange, function (y) {
+                return [[y].concat(
+                    chain(lstRange, function (x) {
+                        return x < y ? [''] : [x * y]; // triangle only
+                    })
+                )]
+            })
+        );
+
+
+    /*                        FORMATTING OUTPUT                             */
+
+    // [[a]] -> bool -> s -> s
+    function wikiTable(lstRows, blnHeaderRow, strStyle) {
+        return '{| class="wikitable" ' + (
+            strStyle ? 'style="' + strStyle + '"' : ''
+        ) + lstRows.map(function (lstRow, iRow) {
+            var strDelim = ((blnHeaderRow && !iRow) ? '!' : '|');
+
+            return '\n|-\n' + strDelim + ' ' + lstRow.map(function (v) {
+                return typeof v === 'undefined' ? ' ' : v;
+            }).join(' ' + strDelim + strDelim + ' ');
+        }).join('') + '\n|}';
+    }
+
+    // Formatted as WikiTable
+    return wikiTable(
+        lstTable, true,
+        'text-align:center;width:33em;height:33em;table-layout:fixed;'
+    ) + '\n\n' +
+
+    // or simply stringified as JSON
+    JSON.stringify(lstTable);
+
+})(1, 12);

Task/Multiplication-tables/JavaScript/multiplication-tables-3.js

@@ -0,0 +1,13 @@
+[["x",1,2,3,4,5,6,7,8,9,10,11,12],
+ [1,1,2,3,4,5,6,7,8,9,10,11,12],
+ [2,"",4,6,8,10,12,14,16,18,20,22,24],
+ [3,"","",9,12,15,18,21,24,27,30,33,36],
+ [4,"","","",16,20,24,28,32,36,40,44,48],
+ [5,"","","","",25,30,35,40,45,50,55,60],
+ [6,"","","","","",36,42,48,54,60,66,72],
+ [7,"","","","","","",49,56,63,70,77,84],
+ [8,"","","","","","","",64,72,80,88,96],
+ [9,"","","","","","","","",81,90,99,108],
+ [10,"","","","","","","","","",100,110,120],
+ [11,"","","","","","","","","","",121,132],
+ [12,"","","","","","","","","","","",144]]