2016 Update

Task/Least-common-multiple/JavaScript/least-common-multiple-2.js

@@ -0,0 +1,18 @@
+(() => {
+    'use strict';
+
+    // gcd :: Integral a => a -> a -> a
+    let gcd = (x, y) => {
+        let _gcd = (a, b) => (b === 0 ? a : _gcd(b, a % b)),
+            abs = Math.abs;
+        return _gcd(abs(x), abs(y));
+    }
+
+    // lcm :: Integral a => a -> a -> a
+    let lcm = (x, y) =>
+        x === 0 || y === 0 ? 0 : Math.abs(Math.floor(x / gcd(x, y)) * y);
+
+    // TEST
+    return lcm(12, 18);
+
+})();