Q
What is the scope of a variable declared with 'var' inside a loop in JavaScript?

Answer & Solution

Answer: Option B
Solution:
In JavaScript, variables declared with 'var' inside a loop are function-scoped, not block-scoped.
Related Questions on Average

In JavaScript, which of the following creates a block-scoped variable within a loop?

A). var

B). let

C). const

D). Both let and const

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 PHP, what is the scope of a variable declared inside a for loop?

A). Global

B). Function-scoped

C). Block-scoped

D). Script-scoped

In Ruby, can a variable declared inside a loop be accessed outside the loop?

A). Yes

B). No

C). Only in certain cases

D). It depends on the loop

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

Which of the following keywords can be used to declare a block-scoped variable in JavaScript?

A). var

B). let

C). const

D). Both let and const

What is the scope of a variable declared inside a loop?

A). Global

B). Local to the loop

C). Local to the function

D). Local to the script

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

In Python, what happens to a variable declared inside a loop after the loop terminates?

A). It gets destroyed

B). It is still accessible

C). It becomes global

D). It gets re-initialized

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

A). When using var in JavaScript

B). When using let in JavaScript

C). When using global in Python

D). When using static in C++