PyPy.js: Now faster than CPython(rfk.id.au)

  x = lambda x: x+x #a lambda, but has a named pointer
  x = 5

  def x(y):
    return y+y
  
  x = 5 #the "named" function above is now without a pointer

  //lambda expression
  var x = function (){};

  //named function
  function x() {}

  //named lambda expression
  var x = function x() {};

  //self-executing lambda (returns 5)
  (function (x) {return x;}(5));

  (lambda x: x)(5)

  my_module = (function (self) {
    "use strict"
    self = self || {};

    //private
    //pretty much inaccessible to the outside scope
    var privateVar = 5;
    //lambda expression again
    var privateFunc = function () {};

    //public
    self.publicVar = 5;
    self.publicFunc = function () {};
    self.getPrivateVar = function () {
      return privateVar;
    };

    return self;
  }(my_module));

  my_module.publicVar = 8;
  my_module.publicFunc();
  my_module.getPrivateVar();

  func1(function () {
    func2(function () {
      func3(function () {
        func4(function () {
      })
    })
  })

  def add4Mul2(x):
    z = 4
    y = 2
    return (x + y) * z

  lst = [1,2,3,4]
  x = map(add4Mul2, lst)

  x = map(lambda x: (x+2)*4, [1,2,3,4])