Q
Which of the following is NOT a benefit of using comments in JavaScript code?

Answer & Solution

Answer: Option Faster code execution
Solution:
Comments do not affect the execution speed of the code; they are ignored during execution.
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

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

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

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

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 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 write a single-line comment in JavaScript?

A). /* Comment */

B). // Comment

C).

D). # Comment