Answer & Solution
Answer: Option To explain and document the code
Solution:
Comments are used to explain and document the code, making it more understandable.
Q
What is the purpose of comments in code?
Related Questions on Average
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
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
Which of the following is a valid single-line comment?
A). /* This is a comment */
B). // This is a comment
C).
D). # This is a comment
Which of the following is ignored by the JavaScript interpreter?
A). Variable declarations
B). Function definitions
C). Comments
D). Keywords
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).
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
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 ensure they are ignored by the interpreter
C). To make them look professional
D). To make them longer
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
How can you temporarily disable a piece of code without deleting it?
A). By commenting it out using /* */ or //
B). By placing it in a string
C). By removing it from the file
D). By placing it in a function