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
How do you write a multi-line comment in JavaScript?
A).
B). /* Comment */
C). // Comment
D). # Comment
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
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
How do you 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).
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
Which of the following is ignored by the JavaScript interpreter?
A). Variable declarations
B). Function definitions
C). Comments
D). Keywords
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).