How can comments help in debugging JavaScript code?

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

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

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 NOT a benefit of using comments in JavaScript code?

A). Improved code readability

B). Easier debugging

C). Faster code execution

D). Better documentation

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

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

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

Which of the following is ignored by the JavaScript interpreter?

A). Variable declarations

B). Function definitions

C). Comments

D). Keywords

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

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