2016 Update

Task/Largest-int-from-concatenated-ints/JavaScript/largest-int-from-concatenated-ints-1.js

@@ -0,0 +1,26 @@
+ (function () {
+     'use strict';
+
+     // maxCombine :: [Int] -> Int
+     function maxCombine(xs) {
+         return parseInt(
+             xs.sort(
+                 function (x, y) {
+                     var a = x.toString(),
+                         b = y.toString(),
+                         ab = parseInt(a + b),
+                         ba = parseInt(b + a);
+
+                     return ab > ba ? -1 : (ab < ba ? 1 : 0);
+                 }
+             )
+             .join(''), 10
+         );
+     }
+
+     return [
+        [1, 34, 3, 98, 9, 76, 45, 4],
+        [54, 546, 548, 60]
+     ].map(maxCombine);
+
+ })();

Task/Largest-int-from-concatenated-ints/JavaScript/largest-int-from-concatenated-ints-2.js

@@ -0,0 +1,7 @@
+var maxCombine = (a) => +(a.sort((x, y) => +("" + y + x) - +("" + x + y)).join(''));
+
+// test & output
+console.log([
+  [1, 34, 3, 98, 9, 76, 45, 4],
+  [54, 546, 548, 60]
+].map(maxCombine));