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

Answer & Solution

Answer: Option A
Solution:
Related Questions on Average

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

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).

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

What is the purpose of using comments to prevent execution in programming?

A). To increase code execution speed

B). To improve code readability

C). To disable specific code segments temporarily

D). To add complexity to the code structure

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

A). By adding a DISABLED keyword at the beginning of the code block

B). By enclosing the code block in /* */

C). By using single-line comments // to comment out the code block

D). By adding the disable: true attribute to the code block

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 used effectively to prevent execution without altering the code structure in JavaScript?

A). By using comments to add complexity to the code structure

B). By adding comments at the beginning and end of the code block

C). By wrapping the code block in multi-line comments and leaving a clear explanation

D). By replacing the code with a placeholder string

Which of the following is a valid way to prevent the execution of code in JavaScript temporarily?

A). By adding a DEBUG keyword at the end of each line of code

B). By wrapping the code block with {}

C). By using single-line comments // to comment out the code

D). By adding the execute: false attribute to the code block