gistfile1.js

Object.prototype.$super = function() {
  var func = arguments.callee.caller;
  var name = func.foundName_;
  if (!name) {
    for (var p in this) {
      if (this[p] == func) {
        name = p;
        break;
      }
    }
    func.foundName_ = name;
  }

  // Set up function to baseValue chain.
  if (!func.baseValue_) {
    for (var obj = Object.getPrototypeOf(this); obj; obj = Object.getPrototypeOf(obj)) {
      if (Object.prototype.hasOwnProperty.call(obj, name)) {
        obj[name].baseValue_ = obj;
        obj[name].foundName_ = name;
      }
    }
  }

  var baseProto = Object.getPrototypeOf(func.baseValue_);

  return baseProto[name].call(this);
};