Data commit

Task/First-class-functions/JavaScript/first-class-functions-1.js

@@ -0,0 +1,23 @@
+// Functions as values of a variable
+var cube = function (x) {
+  return Math.pow(x, 3);
+};
+var cuberoot = function (x) {
+  return Math.pow(x, 1 / 3);
+};
+
+// Higher order function
+var compose = function (f, g) {
+  return function (x) {
+    return f(g(x));
+  };
+};
+
+// Storing functions in a array
+var fun = [Math.sin, Math.cos, cube];
+var inv = [Math.asin, Math.acos, cuberoot];
+
+for (var i = 0; i < 3; i++) {
+  // Applying the composition to 0.5
+  console.log(compose(inv[i], fun[i])(0.5));
+}