Learn JavaScript from Scratch JavaScript for Everyone - Coding Comments

The video tutorial covers the use of comments in JavaScript code. It explains the purpose of comments, how to use single line and multiline comments, and provides practical tips for effective commenting. The tutorial also includes an exercise for viewers to practice writing comments and previews the next lesson on operators.

What is the primary purpose of using comments in code?

• To increase the file size

• To execute code faster

• To make code run on all browsers

• To prevent code from being executed

Which keyboard shortcut is commonly used to comment out a line of code?

• Ctrl + C

• Ctrl + V

• Ctrl + /

• Ctrl + S

How can you comment out multiple lines of code in JavaScript?

• Using // at the start of each line

• Using /* at the start and */ at the end

• Using # at the start of each line

• Using

What happens to the code inside a comment block?

• It is highlighted in red

• It causes an error

• It is ignored by the JavaScript engine

• It is executed twice

What is the next topic to be covered after commenting?

• Functions

• Variables

• Operators

• Loops