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
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).
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
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
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
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 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
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 a valid single-line comment in JavaScript?
A). // This is a comment
B). /* This is a comment */
C).
D). # This is a comment
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