How can you access a global variable inside a function if it has the same name as a local variable?

What is the output of console.log(globalThis === window); in a browser environment?

A). 1

B). 0

C). undefined

D). null

Can a global variable be accessed inside a function?

A). Yes

B). No

C). Only if passed as a parameter

D). Only if defined with var

What happens if you declare a variable without var, let, or const inside a function?

A). It becomes a global variable

B). It becomes a local variable

C). It throws an error

D). It becomes a constant

Which of the following can be used to prevent accidental modification of global variables?

A). Encapsulation

B). Namespace

C). Strict mode

D). Block scoping

What is the global object in a browser environment?

A). window

B). global

C). document

D). this

Which keyword is used to declare a variable in the global scope?

A). let

B). var

C). const

D). function

What is the output of console.log(globalVar); if globalVar = 'Hello'; is assigned inside a function without using var, let, or const?

A). Hello

B). undefined

C). error

D). null

Which statement is true about global variables in JavaScript?

A). They are not accessible inside functions

B). They can be accessed and modified from any part of the code

C). They are constants

D). They can only be read, not modified

What is the purpose of the global object in JavaScript?

A). To store local variables

B). To provide a namespace for global variables and functions

C). To define constants

D). To execute code in strict mode

What will be the output of console.log(window.myVar); if var myVar = 'Hello'; is declared outside any function?

A). Hello

B). undefined

C). error

D). null