Q
In which scenario is a variable declared inside a loop inaccessible outside of it?

Answer & Solution

Answer: Option B
Solution:
Variables declared with 'let' in JavaScript are block-scoped and thus inaccessible outside the loop.
Related Questions on Average

In C++, where can a variable declared inside a for-loop be accessed?

A). Only within the loop

B). Throughout the function

C). Throughout the file

D). Outside the function

In C#, what is the scope of a variable declared inside a foreach loop?

A). Block-scoped

B). Global-scoped

C). Function-scoped

D). Loop-scoped

Which of the following is true about variables declared with 'let' inside a loop in JavaScript?

A). They are accessible globally

B). They are hoisted to the top

C). They are block-scoped

D). They can be accessed outside the loop

In Swift, how are variables declared inside a loop scoped?

A). Global

B). Function-scoped

C). Block-scoped

D). File-scoped

In which programming language is a variable declared inside a loop accessible outside the loop?

A). JavaScript with var

B). Python

C). C++

D). All of the above

In Go, what happens to a variable declared inside a loop after the loop ends?

A). It is still accessible

B). It is garbage collected

C). It becomes nil

D). It throws an error

Can a variable declared with 'let' in a loop be accessed outside the loop in JavaScript?

A). Yes

B). No

C). Sometimes

D). Depends on the context

In Java, what happens if you declare a variable inside a for loop?

A). It becomes global

B). It is accessible only within the loop

C). It is accessible throughout the class

D). It throws an error

What is the difference in scope between variables declared with 'var' and 'let' in JavaScript loops?

A). var is block-scoped, let is function-scoped

B). var is function-scoped, let is block-scoped

C). var and let are both function-scoped

D). var and let are both block-scoped

What happens to a variable declared inside a loop with 'var' in JavaScript after the loop ends?

A). It is destroyed

B). It is still accessible

C). It becomes undefined

D). It throws an error