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

Answer & Solution

Answer: Option A
Solution:
Multi-line comments are not used for writing executable code; they are purely for commenting and documentation purposes.
Related Questions on Average

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 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

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

What is the primary benefit of using multi-line comments in JavaScript?

A). Improved code execution

B). Better documentation

C). Faster code performance

D). Easier debugging

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

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

Which statement about multi-line comments is accurate in JavaScript?

A). They are executed as code

B). They can contain nested multi-line comments

C). They are used for short explanations

D). They are ignored by the interpreter

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

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 can multi-line comments help improve in JavaScript code?

A). Code execution speed

B). Code documentation

C). Code readability

D). Code performance