Which of the following is true about multi-line comments?
A). They can contain other multi-line comments
B). They cannot be used to comment out code
C). They can span multiple lines
D). They must be at the beginning of the code
How do you write a multi-line comment in JavaScript?
A).
B). /* Comment */
C). // Comment
D). # Comment
Why should comments be clear and concise?
A). To avoid confusion
B). To ensure they are ignored by the interpreter
C). To make them look professional
D). To make them longer
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 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 comments in JavaScript code?
A). Improved code readability
B). Easier debugging
C). Faster code execution
D). Better documentation
What will be the output of console.log('Hello World!'); // This is a comment?
A). Hello World!
B). Syntax Error
C). This is a comment
D). Undefined
How can comments help in debugging JavaScript code?
A). By executing commented code
B). By providing explanations
C). By ignoring parts of the code
D). By highlighting errors