finally, try

try, finally

try

finally

finally undefined, value 3

finally 2, value 3

finally undefined, value undefined

Uncaught (in promise) 1

10

20

undefined

ReferenceError: Cannot access 'x' before initialization

{ name: "Peter" }

{ name: "John" }

{ name: "Peter", age: 25 }

{ }

calling, after call, resolved

calling, resolved, after call

after call, calling, resolved

resolved, calling, after call

1

0

undefined

10, "string"

NaN, "[object Object]"

10, "value"

"value", 10

9

15

6

Uncaught TypeError: Cannot delete properties during iteration

2, 4

0, 4

4, 4

2, 2