Answer & Solution
Answer: Option D
Solution:
Comments in JavaScript serve multiple purposes, including documenting code, adding debugging statements, and explaining code logic.
Q
What is the purpose of comments in JavaScript?
Related Questions on Average
Which keyword is used to disable a line of code in JavaScript temporarily?
A). disable
B). //
C). /* */
D). None of the above
What should be avoided when writing comments in JavaScript?
A). Clarity
B). Conciseness
C). Redundancy
D). Grammar
How are multi-line comments denoted in JavaScript?
A). //
B). /* */
C).
D). ##
What is the purpose of comments for conditional logic?
A). To explain code flow
B). To add conditional statements
C). To disable code temporarily
D). None of the above
Which type of comments are not executed by the JavaScript engine?
A). Single-line comments
B). Multi-line comments
C). Both
D). None of the above
Which of the following is NOT a good practice for writing comments?
A). Updating comments as code evolves
B). Using comments for deprecated code
C). Writing comments for self-explanatory code
D). Adding excessive comments
What is the purpose of using comments for debugging?
A). To add debugging tools
B). To disable code temporarily
C). To isolate issues
D). None of the above
Which type of comment is used in HTML files to include JavaScript code?
A). Single-line comments
B). Multi-line comments
C). HTML comments
D). JavaScript comments
Which type of comment is commonly used for TODO notes or future enhancements?
A). Single-line comments
B). Multi-line comments
C). Both
D). None of the above
Which type of comment is suitable for longer explanations or notes?
A). Single-line comments
B). Multi-line comments
C). Both
D). None of the above