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

Answer & Solution

Answer: Option D
Solution:
Multi-line comments can be used to comment out entire blocks of code by starting the comment with /* and ending with */.
Related Questions on Average

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

What is the primary use of multi-line comments during development?

A). To execute multiple lines of code

B). To temporarily disable code

C). To increase code performance

D). To shorten the code

What is the primary purpose of multi-line comments?

A). To execute code

B). To write long explanations

C). To increase code speed

D). To replace code

How are multi-line comments treated by the JavaScript interpreter?

A). As syntax errors

B). Ignored

C). Converted to single-line comments

D). Executed as code

Can multi-line comments be nested within each other in JavaScript?

A). Yes

B). No

C). Only in specific cases

D). Only in global scope

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

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

A). Single-line comments execute code

B). Multi-line comments span multiple lines

C). Single-line comments execute faster

D). Multi-line comments are executed as code

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

Which of the following is the correct syntax for a multi-line comment in JavaScript?

A).

B). /* This is a comment */

C). # This is a comment

D). // This is a comment