Q
What is the purpose of the global object in JavaScript?

Answer & Solution

Answer: Option B
Solution:
The global object serves as a namespace for all global variables and functions, helping to avoid naming conflicts.
Related Questions on Average

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 is the output of console.log(window.globalLet); if let globalLet = 'Hello'; is declared in the global scope?

A). Hello

B). undefined

C). error

D). null

Can global variables lead to name collisions in large codebases?

A). Yes

B). No

C). Only if not managed properly

D). Only in strict mode

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

Which of the following can create a global variable?

A). var

B). let

C). const

D). All of the above

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

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

A). By using the window object

B). By using the global object

C). By using a different name for the global variable

D). By using the this keyword

In Node.js, what is the global object called?

A). window

B). global

C). document

D). process