Javascript - Syntax : Comments

Question 1

What are comments in JavaScript used for?

Answer 1

To leave notes for other developers or ourselves that the computer will ignore during execution.

Comments can explain code functionality, provide instructions, or add annotations.

Question 2

What is a Single Line Comment in JavaScript?

Answer 2

Represented by //; anything after // on the right of the same line is ignored by the computer.

It is used for brief comments on a single line.

Question 3

What is a Multi Line Comment in JavaScript?

Answer 3

Represented by /* and */; anything between these symbols is ignored until the closing symbol is reached.

It allows for comments that span multiple lines.

Question 4

True or False: If comment symbols are not correctly used, no code will be executed.

Answer 4

True

This applies to both single-line and multi-line comments.

Question 5

Fill in the blank: Single Line Comments in JavaScript are represented by _______.

Answer 5

//

Question 6

Fill in the blank: Multi Line Comments in JavaScript start with _______ and end with _______.

Answer 6

/*, */