Comments

Comments are notes in your code that JavaScript ignores. They help explain what your code does and make it easier to understand.

Single-Line Comments

Use // for single-line comments:

Multi-Line Comments

Use /* */ for multi-line comments:

Why Use Comments?

Comments serve several purposes:

Exercise: Add Comments

Add a comment explaining what each line does:

Exercise: Disable Code

Use comments to prevent the middle line from running: