1 Func.prototype.func 2 hello 3 [object Object] 4 Func.prototype.func 5 hello 6 [object Object] 7 obj.__proto__.func @ 55 8 344 9 [object Object] 10 obj.__proto__.func @ 55 11 344 12 [object Object] 13 obj.__proto__.func @ 55 14 344 15 new object.toString 16 obj.__proto__.func @ 55 17 344 18 new object.toString