Which of the following methods can help in avoiding global variables?

What is the output of typeof window in a browser environment?

A). object

B). undefined

C). function

D). global

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

A). Encapsulation

B). Namespace

C). Strict mode

D). Block scoping

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

A). window

B). global

C). document

D). process

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

A). 1

B). 0

C). undefined

D). null

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

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

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

A). let

B). var

C). const

D). function

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

A). Hello

B). undefined

C). error

D). null

What keyword is used to ensure a variable is block-scoped?

A). var

B). global

C). let

D). window