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 can multi-line comments help improve in JavaScript code?

A). Code execution speed

B). Code documentation

C). Code readability

D). Code performance

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

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

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 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

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

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

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 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

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