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