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

Answer & Solution

Answer: Option B
Solution:
Variables declared with 'let' are block-scoped and thus not accessible outside the loop in JavaScript.
Related Questions on Average

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

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

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

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

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 C, what is the scope of a variable declared inside a while loop?

A). Global

B). Local to the block

C). Local to the function

D). Local to the file

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

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 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++

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