setting prop1: 1
prop 1: 1
prop 2: 1
global toString 1
[object Object]
false
true
global toString 2
[object Object]
false
true
global toString 3
[object Object]
false
true
3
5
get [object o]
4
set [object o] 5
get [object o]
4
true
5
3
false
get [object o]
4
get [object p]
4