MDN URL

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Grammar_and_types

What specific section or headline is this issue about?

Literals > Array

What information was incorrect, unhelpful, or incomplete?

What did you expect to see?

In the following example, the length of the array is three. There is no myList[3] and myList[1] is empty. All other commas in the list indicate a new element.

Do you have any supporting links, references, or citations?

No response

Do you have anything more you want to share?

I think this change makes more clear to understand and read.

MDN metadata