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 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
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
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 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 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).
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