Q
How can you temporarily disable a piece of code without deleting it?

Answer & Solution

Answer: Option By commenting it out using /* */ or //
Solution:
Commenting out code temporarily disables it without removing it from the file.
Related Questions on Average

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

A). Improved code readability

B). Easier debugging

C). Faster code execution

D). Better documentation

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

A).

B). /* Comment */

C). // Comment

D). # Comment

How do you comment out the rest of a line after a statement in JavaScript?

A). /* rest of line */

B). # rest of line

C). // rest of line

D).

Which of the following is ignored by the JavaScript interpreter?

A). Variable declarations

B). Function definitions

C). Comments

D). Keywords

What is the purpose of comments in code?

A). To add executable code

B). To increase execution speed

C). To explain and document the code

D). To replace code

Which of the following is a valid single-line comment?

A). /* This is a comment */

B). // This is a comment

C).

D). # This is a comment

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

A). /* Comment */

B). // Comment

C).

D). # Comment

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

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

What will be the output of console.log('Hello World!'); // This is a comment?

A). Hello World!

B). Syntax Error

C). This is a comment

D). Undefined