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 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 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
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
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 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 /* */
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
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
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 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