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
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
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
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 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
Which of the following is ignored by the JavaScript interpreter?
A). Variable declarations
B). Function definitions
C). Comments
D). Keywords
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
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