Which of the following is true about single-line comments in JavaScript?

Which of the following will be ignored by the JavaScript interpreter?

A). Variable declarations

B). Function definitions

C). Single-line comments

D). Keywords

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 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

Can single-line comments be used to disable code temporarily?

A). Yes

B). No

C). Only in certain cases

D). Only in multi-line comments

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

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).

What happens if you place a single-line comment within a string in JavaScript?

A). It will be executed as code

B). It will be treated as a comment

C). It will be treated as part of the string

D). It will cause a syntax error

Why should comments be clear and concise?

A). To avoid confusion

B). To increase code execution speed

C). To ensure they are ignored by the interpreter

D). To make them look professional

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

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