Another update from ingydotnet^djgoku

Task/Sum-of-a-series/JavaScript/sum-of-a-series-2.js

@@ -0,0 +1,17 @@
+sum(function (x) { return 1 / (x * x) }, range(1, 1000));
+
+function sum(fn, lstRange) {
+  return lstRange.reduce(
+    function (lngSum, x) {
+      return lngSum + fn(x);
+    }, 0
+  );
+}
+
+function range(m, n) {
+  return Array.apply(null, Array(n - m + 1)).map(
+    function (x, i) {
+      return m + i;
+    }
+  );
+}