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 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 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 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 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
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).
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
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 /* */