Another update from ingydotnet^djgoku

Task/Partial-function-application/JavaScript/partial-function-application-2.js

@@ -0,0 +1,21 @@
+var f1 = function (x) { return x * 2; },
+    f2 = function (x) { return x * x; },
+
+    fs = function (f) {
+        return function () {
+            return Array.prototype.slice.call(
+                arguments
+            ).map(f);
+        }
+    },
+
+    fsf1 = fs(f1),
+    fsf2 = fs(f2);
+
+// Test alternative approach, with arbitrary numbers of arguments
+    [
+        fsf1(0, 1, 2, 3, 4),
+        fsf2(0, 1, 2),
+        fsf1(2, 4, 6, 8, 10, 12),
+        fsf2(2, 4, 6, 8)
+    ]