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 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 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 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
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 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 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 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
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