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
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 is a valid single-line comment?
A). /* This is a comment */
B). // This is a comment
C).
D). # This is a comment
How do you write a single-line comment in JavaScript?
A). /* Comment */
B). // Comment
C).
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
Can you use comments to include documentation for functions and variables in JavaScript?
A). Yes
B). No
C). Only for functions
D). Only for variables
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 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 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
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