Q
Can function-scoped variables be accessed from outside their functions?

Answer & Solution

Answer: Option B
Solution:
Function-scoped variables are not accessible outside their functions.
Related Questions on Average

What is the purpose of function scope in JavaScript?

A). To limit the visibility of variables

B). To make variables global

C). To create constants

D). To execute functions

What is block scope in JavaScript?

A). Variables scoped to a block

B). Variables scoped to a function

C). Variables scoped globally

D). Variables scoped locally

Which keyword is used to declare a function-scoped variable?

A). var

B). let

C). const

D). function

What happens to a function-scoped variable outside of its function?

A). It becomes a global variable

B). It becomes a local variable

C). It is accessible only within the function

D). It throws an error

What is the output of console.log(innerVar); outside of exampleFunction if var innerVar = 'Hello'; is defined inside exampleFunction?

A). Hello

B). undefined

C). Error

D). null

How does lexical scoping affect nested functions in JavaScript?

A). Nested functions inherit variables from their outer functions

B). Nested functions have their own separate variables

C). Nested functions cannot access outer function variables

D). Nested functions create global variables

What is lexical scoping in JavaScript?

A). Variables scoped to the entire codebase

B). Variables scoped to their functions

C). Variables scoped based on their position in the code

D). Variables scoped based on their names

What is function scope in JavaScript?

A). Variables defined within a function

B). Variables defined outside a function

C). Variables defined within an object

D). Variables defined globally

Which of the following demonstrates lexical scoping?

A). Closure

B). Hoisting

C). Global scope

D). Local scope

What is the output of console.log(blockVar); outside of a block if let blockVar = 'Block'; is defined inside a block?

A). Block

B). undefined

C). Error

D). null