michael@0: function checkMethods(proto) {
michael@0:     var names = Object.getOwnPropertyNames(proto);
michael@0:     for (var i = 0; i < names.length; i++) {
michael@0:         var name = names[i];
michael@0:         var prop = proto[name];
michael@0:     }
michael@0: }
michael@0: checkMethods(Function.prototype);