How can you comment out a block of code in JavaScript?

What is the purpose of comments in code?

A). To add executable code

B). To increase execution speed

C). To explain and document the code

D). To replace code

How do you write a comment that explains the purpose of a function in JavaScript?

A). Inside the function body

B). Before the function definition

C). After the function definition

D). It is not necessary to comment functions

How do you write a multi-line comment in JavaScript?

A).

B). /* Comment */

C). // Comment

D). # Comment

Which of the following comments will result in an error if placed inside a JavaScript function?

A). // This is a comment

B). /* This is a comment */

C).

D). # This is a comment

Can comments be nested in JavaScript?

A). Yes

B). No

C). Only single-line comments can be nested

D). Only multi-line comments can be nested

How do you comment out the rest of a line after a statement in JavaScript?

A). /* rest of line */

B). # rest of line

C). // rest of line

D).

Why should comments be kept up-to-date with the code?

A). To ensure they do not cause syntax errors

B). To prevent the code from running

C). To make the code easier to understand for others

D). To increase code execution speed

Can you use comments to include documentation for functions and variables in JavaScript?

A). Yes

B). No

C). Only for functions

D). Only for variables

Which of the following is true about multi-line comments?

A). They can contain other multi-line comments

B). They cannot be used to comment out code

C). They can span multiple lines

D). They must be at the beginning of the code

How can you temporarily disable a piece of code without deleting it?

A). By commenting it out using /* */ or //

B). By placing it in a string

C). By removing it from the file

D). By placing it in a function