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
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 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 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
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
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
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).
Which of the following will be ignored by the JavaScript interpreter?
A). Variable declarations
B). Function definitions
C). Single-line comments
D). Keywords
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