What is a prototype chain in regards to JSON?

I'm newer to Javascript, and I was wondering what exactly a "prototype chain" is in regards to Jav开发者_Go百科ascript Object Notation? What would I use it for?

EDIT:

New Question:

What are prototypes in Javascript?

Prototypes are a concept in JavaScript, but do not apply in JSON, which is purely a data transfer format. JSON is a subset of JavaScript literal syntax, and one of the things it does not allow is functions.

EDIT: There are existing questions, such as How does JavaScript .prototype work?, explaining how it works in JavaScript