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
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 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 a developer disable a block of code using multi-line comments in JavaScript?
A). By adding a semicolon ; at the end of each line of code
B). By using the disable keyword
C). By wrapping the code block in /* */
D). By using the disableCode function
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
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
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
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
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
What happens if you mix single-line and multi-line comments incorrectly in JavaScript?
A). It will cause the code to execute twice
B). It will result in a syntax error
C). It will create a new comment type called hybrid comments
D). It will disable all comments in the code block