JavaScript: Warts and workarounds(matt.might.net)

    do (x, y) ->
      # here, x and y are captured in a new scope.

    $.getJSON url, (resp) =>
      this.setResponse resp

    myVariadicFunction = (args...) ->
      # here, "args" is an Array.

  if a is b
    # here, a === b.

  function equal(a, b) {
    if (a === b)
      return true ;
    if (isNaN(a) && isNaN(b))
      return true ;
    return false
  }

    { 
        int i = 13 ;
        { 
           int i = 42 ; 
           print(i) ;
        }
        print(i) ;
    }

  0 == '0'  // true
  0 == ''   // true
  '0' == '' // false

    def foo():
      if True:
        x = 123
      print x

    void foo() {
      if (true)
        int x = 123
      printf("%d\n", x);
    }

    error: ‘x’ was not declared in this scope

    new Breakfast('bacon', 'eggs') // great
    new Breakfast.apply(null, ['bacon', 'eggs']) // b0rk