How can you comment out a block of code in JavaScript?
A). Using // at the beginning of each line
B). Using /* at the start and */ at the end
C). Enclosing the code in {}
D). Using
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
Which of the following comments will result in an error if placed inside a JavaScript function?
A). // This is a comment
B). /* This is a comment */
C).
D). # This is a comment
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
What happens if you include a comment within a string in JavaScript?
A). The comment will be executed as code
B). The comment will be ignored by the interpreter
C). The comment will be treated as part of the string
D). It will cause a syntax error
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
How do you write a comment that explains the purpose of a function in JavaScript?
A). Inside the function body
B). Before the function definition
C). After the function definition
D). It is not necessary to comment functions
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
Can comments be nested in JavaScript?
A). Yes
B). No
C). Only single-line comments can be nested
D). Only multi-line comments can be nested
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