Q
How can comments be used to document disabled code segments effectively in JavaScript?

Answer & Solution

Answer: Option B
Solution:
Related Questions on Average

What is the primary advantage of using comments to prevent execution compared to deleting code temporarily?

A). Comments allow developers to execute the code by toggling a flag

B). Comments provide a way to document why the code is disabled and can be re-enabled easily

C). Comments make the code more complex and difficult to understand

D). Comments improve code execution speed

What should developers do before deploying code that contains disabled code segments using comments?

A). Ensure that all comments are removed

B). Ensure that comments are added for each line of disabled code

C). Ensure that the code is well-documented with comments explaining the disabled segments

D). Ensure that the code contains sufficient debugging information to enable the disabled segments

What should be avoided when using comments to prevent code execution?

A). Using comments to provide explanations about the code

B). Commenting out entire sections of code without a clear reason

C). Using comments to add debugging information

D). Using comments within functions

In JavaScript, what is the purpose of using multi-line comments to prevent execution?

A). To provide detailed explanations about the code

B). To execute the code block

C). To improve code performance

D). To increase code complexity

In JavaScript, what is the syntax for a single-line comment?

A). // This is a comment

B). /* This is a comment */

C). # This is a comment

D).

Which statement accurately describes the use of comments to prevent execution in JavaScript?

A). Comments are executed as code and should be avoided for preventing execution

B). Comments are used only for providing explanations and cannot prevent execution

C). Comments are ignored by the interpreter during execution, making them suitable for preventing code execution

D). Comments can be used to disable specific code blocks temporarily, aiding in debugging and development

What happens if you forget to close a multi-line comment in JavaScript?

A). The code within the comment will execute as normal

B). It will cause a syntax error

C). The comment will extend indefinitely

D). The code will be wrapped in a single-line comment

Which statement about using comments to prevent execution is accurate?

A). Comments are executed as code

B). Comments are ignored by the interpreter

C). Comments can contain executable code

D). Comments increase code performance

How can comments be leveraged during debugging to prevent the execution of specific code blocks temporarily?

A). By surrounding the code block with {}

B). By commenting out the code block using // or /* */

C). By using the preventExecution keyword

D). By replacing the code with a placeholder string

How can developers ensure that comments used for preventing execution do not affect the code's functionality?

A). By using comments only at the end of the code block

B). By ensuring that comments are well-documented and provide clear explanations

C). By using multi-line comments for single-line comments, ensuring consistency

D). By using single-line comments to disable code, ensuring that multi-line comments are used for documentation