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

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

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).

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 clear and concise?

A). To avoid confusion

B). To increase code execution speed

C). To ensure they are ignored by the interpreter

D). To make them look professional

Which of the following is NOT a benefit of using single-line comments in JavaScript code?

A). Improved code readability

B). Easier debugging

C). Faster code execution

D). Better documentation

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

A). // This is a comment

B). /* This is a comment */

C).

D). # This is a comment

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 write a single-line comment in JavaScript?

A). # This is a comment

B). // This is a comment

C). /* This is a comment */

D).

Which is the correct way to 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