Q
What is the primary difference between single-line and multi-line comments in JavaScript?

Answer & Solution

Answer: Option B
Solution:
Single-line comments are for short notes, while multi-line comments are used for longer explanations or comments.
Related Questions on Average

Where can you use multi-line comments in JavaScript?

A). Only outside functions

B). Only inside functions

C). Anywhere in the code

D). Only in global scope

What happens if you do not close a multi-line comment in JavaScript?

A). The code will run normally

B). It will cause a syntax error

C). The comment will extend indefinitely

D). It will become a single-line comment

What happens if a multi-line comment overlaps with an existing code block in JavaScript?

A). The comment is executed as code

B). The comment is ignored

C). The comment causes a syntax error

D). The comment is displayed as plain text

What can multi-line comments help improve in JavaScript code?

A). Code execution speed

B). Code documentation

C). Code readability

D). Code performance

Which of the following is NOT a valid use of multi-line comments in JavaScript?

A). Writing executable code

B). Adding documentation

C). Temporarily disabling code

D). Adding notes

How do you comment out a block of code using multi-line comments in JavaScript?

A). # code block

B). // code block

C).

D). /* code block */

What should be ensured when writing multi-line comments?

A). They are as short as possible

B). They are relevant and up-to-date

C). They contain executable code

D). They are placed at the end of the file

How do you write a multi-line comment in JavaScript?

A). /* This is a comment */

B). // This is a comment

C).

D). # This is a comment

How can multi-line comments be used effectively during debugging?

A). By adding unnecessary code blocks

B). By temporarily disabling code blocks

C). By increasing code complexity

D). By reducing code size

How can multi-line comments aid in collaborative development?

A). By hiding code

B). By providing detailed explanations

C). By increasing code performance

D). By reducing code size