(function(){ var __a, __b, __c, __d, cubed_list, list, math, num, number, opposite_day, race, square; // Assignment: number = 42; opposite_day = true; // Conditions: if (opposite_day) { number = -42; } // Functions: square = function square(x) { return x * x; }; // Arrays: list = [1, 2, 3, 4, 5]; // Objects: math = { root: Math.sqrt, square: square, cube: function cube(x) { return x * square(x); } }; // Splats: race = function race(winner) { var runners; runners = Array.prototype.slice.call(arguments, 1); return print(winner, runners); }; // Existence: if ((typeof elvis !== "undefined" && elvis !== null)) { alert("I knew it!"); } // Array comprehensions: cubed_list = (function() { __a = list; __c = []; for (__b in __a) { if (__a.hasOwnProperty(__b)) { num = __a[__b]; __d = math.cube(num); __c.push(__d); } } return __c; })(); })();