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

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

What is the consequence of using a variable declared with 'const' inside a loop in JavaScript?

A). It can be reassigned

B). It cannot be reassigned

C). It can be redeclared

D). It is hoisted

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

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

A). var

B). let

C). const

D). Both let and const

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 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

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

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++

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