JavaScript for Beginners - JavaScript Comments (P: IV)

Not all JavaScript statements are “executed”.

Code after a double slash //, or between /* and */, is treated as a comment. Comment are ignored, and are not executed.

Single Line comments use double slashes

Result:

Everything you write between /* and */ will be considered as a multi-line comment

Here is an example 

Note: comments are used to describe and explain what the code is doing

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