Binds

var binder = function () {
  function func(next) {
    next.apply(this, Array.prototype.slice.call(arguments, 1));
  };

  func.bind = function (f) {
    return Function.prototype.bind.call(this, null, f);
  };

  return func;
};

var x = binder();
var a = function () {};
var b = x.bind(a);
var c = x.bind(b);
var d = x.bind(c);
var e = x.bind(d);
var f = x.bind(e);

f(); // f() -> e() -> d() -> c() -> b() -> a()