Q
How can you temporarily disable a block of code in JavaScript?

Answer & Solution

Answer: Option C
Solution:
You can temporarily disable a block of code in JavaScript by commenting it using single-line or multi-line comments.
Related Questions on Average

Which of the following is NOT a good practice for writing comments?

A). Updating comments as code evolves

B). Using comments for deprecated code

C). Writing comments for self-explanatory code

D). Adding excessive comments

Which type of comments are not executed by the JavaScript engine?

A). Single-line comments

B). Multi-line comments

C). Both

D). None of the above

What is the purpose of comments in JavaScript?

A). Documenting code

B). Adding debugging statements

C). Explaining code logic

D). All of the above

Which type of comment is used in HTML files to include JavaScript code?

A). Single-line comments

B). Multi-line comments

C). HTML comments

D). JavaScript comments

What is the purpose of comments for conditional logic?

A). To explain code flow

B). To add conditional statements

C). To disable code temporarily

D). None of the above

Which symbol is used for single-line comments in JavaScript?

A). //

B). /* */

C).

D). ##

Which type of comment is suitable for longer explanations or notes?

A). Single-line comments

B). Multi-line comments

C). Both

D). None of the above

How are multi-line comments denoted in JavaScript?

A). //

B). /* */

C).

D). ##

What does the 'TODO' comment signify in code?

A). Completed task

B). Code error

C). Future task

D). Code improvement

What is the purpose of using comments for debugging?

A). To add debugging tools

B). To disable code temporarily

C). To isolate issues

D). None of the above