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JavaScript · Q30

Array And Function

Programming · JavaScript · question 30

Q30

What must be done in order to implement Lexical Scoping?

A.
Get the object
B.
Dereference the current scope chain
C.
Reference the current scope chain
Answer
D.
None of the mentioned

Answer: Option C

Solution

Answer: Option C
Solution:
In order to implement lexical scoping, the internal state of a JavaScript function object must include not only the code of the function but also a reference to the current scope chain.