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
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
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
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
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 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).
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
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 will be ignored by the JavaScript interpreter?
A). Variable declarations
B). Function definitions
C). Single-line comments
D). Keywords
How can you temporarily disable a piece of code without deleting it?
A). By commenting it out using //
B). By placing it in a string
C). By removing it from the file
D). By placing it in a function