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

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

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 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

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 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

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

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 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

How can comments be used to prevent execution of code in programming languages?

A). By surrounding the code with curly braces {}

B). By prefixing the code with --

C). By enclosing the code in single quotes ''

D). By wrapping the code in comments /* */

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