2016 Update

Task/List-comprehensions/JavaScript/list-comprehensions-3.js

@@ -0,0 +1,18 @@
+ (n => {
+
+     let flatMap = (xs, f) => [].concat.apply([], xs.map(f)),
+
+         range = (m, n) => Array.from({
+             length: (n - m) + 1
+         }, (_, i) => m + i);
+
+
+     return flatMap(range(1,     n), (x) =>
+            flatMap(range(1 + x, n), (y) =>
+            flatMap(range(1 + y, n), (z) =>
+                 x * x + y * y === z * z ? [
+                     [x, y, z]
+                 ] : []
+             )));
+
+ })(20);