Initial data commit

Task/Catamorphism/JavaScript/catamorphism-1.js

@@ -0,0 +1,17 @@
+var nums = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+
+function add(a, b) {
+    return a + b;
+}
+
+var summation = nums.reduce(add);
+
+function mul(a, b) {
+    return a * b;
+}
+
+var product = nums.reduce(mul, 1);
+
+var concatenation = nums.reduce(add, "");
+
+console.log(summation, product, concatenation);