Q
How can multi-line comments be used to disable specific code blocks in JavaScript?

Answer & Solution

Answer: Option B
Solution:
Related Questions on Average

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

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

Which type of comments is commonly used to prevent code execution temporarily?

A). Single-line comments

B). Multi-line comments

C). Inline comments

D). Block comments

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

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

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

A). By leaving the code as-is without any comments or explanations

B). By adding brief comments explaining why the code is disabled

C). By adding lengthy explanations and detailed notes about each disabled code segment

D). By replacing the code with a placeholder string

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 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 developers maintain code readability when using comments to prevent execution in JavaScript?

A). By using cryptic comments that only developers can understand

B). By adding extensive comments that explain every line of code

C). By using single-line comments to disable code segments and avoid multi-line comments

D). By removing all comments from the code

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