What is the purpose of single-line comments in code?
A). To add executable code
B). To increase execution speed
C). To explain and document the code
D). To replace code
What is the syntax for writing an inline comment in JavaScript?
A). # This is an inline comment
B). // This is an inline comment
C). /* This is an inline comment */
D).
Which is the correct way to comment out the rest of a line after a statement in JavaScript?
A). # rest of line
B). // rest of line
C). /* rest of line */
D).
How can you temporarily disable a piece of code without deleting it?
A). By commenting it out using //
B). By placing it in a string
C). By removing it from the file
D). By placing it in a function
What should you avoid when writing single-line comments?
A). Writing clear and concise comments
B). Writing too many comments
C). Writing comments that restate the code
D). Writing comments at the end of the code
What will be the output of console.log('Hello World!'); // This is a comment?
A). Hello World!
B). Syntax Error
C). This is a comment
D). Undefined
Which of the following is NOT a benefit of using single-line comments in JavaScript code?
A). Improved code readability
B). Easier debugging
C). Faster code execution
D). Better documentation
Which of the following is true about single-line comments in JavaScript?
A). They can contain other comments
B). They cannot be used within functions
C). They span multiple lines
D). They end at the end of the line
Can single-line comments be used to add TODO notes in code?
A). Yes
B). No
C). Only in certain cases
D). Only in multi-line comments
Which of the following is a valid single-line comment in JavaScript?
A). // This is a comment
B). /* This is a comment */
C).
D). # This is a comment