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

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

Which of the following single-line comments would be used to explain a variable declaration?

A). // Variable to store user age

B). /* Variable to store user age */

C).

D). # Variable to store user age

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

Which of the following will be ignored by the JavaScript interpreter?

A). Variable declarations

B). Function definitions

C). Single-line comments

D). Keywords

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

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

How do single-line comments improve code readability?

A). By adding extra executable code

B). By explaining complex logic

C). By increasing code length

D). By making code run faster

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

How can single-line comments help during debugging?

A). By highlighting errors

B). By temporarily disabling code

C). By changing code execution

D). By improving performance

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).