1check with loadWithNewGlobal
2obj.x 344
3obj.y 12
4obj instanceof global.Point? true
5p.x 343
6p.y 54
7p instanceof P? true
8check with script engine
9obj.x 344
10obj.y 12
11obj instanceof global.Point? true
12p.x 343
13p.y 54
14p instanceof P? true
15