Which of the following is a valid single-line comment in JavaScript?

Which of the following is true about single-line comments in JavaScript?

A). They can contain other comments

B). They cannot be used within functions

C). They span multiple lines

D). They end at the end of the line

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

A). # This is a comment

B). // This is a comment

C). /* This is a comment */

D).

What should you avoid when writing single-line comments?

A). Writing clear and concise comments

B). Writing too many comments

C). Writing comments that restate the code

D). Writing comments at the end of the code

How do you add a note to explain a line of code in JavaScript?

A). By adding a comment using //

B). By using #

C). By using /* ... */

D). By using

Can single-line comments be used to add TODO notes in code?

A). Yes

B). No

C). Only in certain cases

D). Only in multi-line comments

What is the purpose of single-line comments in code?

A). To add executable code

B). To increase execution speed

C). To explain and document the code

D). To replace code

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

What is the syntax for writing an inline comment in JavaScript?

A). # This is an inline comment

B). // This is an inline comment

C). /* This is an inline comment */

D).

Can single-line comments be used to disable code temporarily?

A). Yes

B). No

C). Only in certain cases

D). Only in multi-line comments

What happens if you place a single-line comment within a string in JavaScript?

A). It will be executed as code

B). It will be treated as a comment

C). It will be treated as part of the string

D). It will cause a syntax error