What is json?

Answer 1

json (JavaScript Object Notation) is a compact data format in an easy to read text form and serves the purpose of data exchange between applications. Every valid JSON document is valid JavaScript and can be interpreted by eval. That being said, JSON is independent of the scripting language.
To find more information please use the learn section in sololeran app and use the search bar with 'json'. So you will get some really helpful information.

Answer 2

https://www.sololearn.com/learn/529/?ref=app

Answer 3

https://en.wikipedia.org/wiki/JSON