> For the complete documentation index, see [llms.txt](https://demirels-organization.gitbook.io/javascript-tutorial/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://demirels-organization.gitbook.io/javascript-tutorial/introduction-to-json.md).

# Introduction to JSON

JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is based on a subset of the JavaScript programming language, so it is easy to use with JavaScript and other languages that can parse JSON.

Some common use cases for JSON include:

* Storing data in a NoSQL database (such as MongoDB)
* Sending data over the internet as the payload of an HTTP request
* Configuring application settings

Benefits of using JSON include:

* It is easy to read and write, which makes it easy to work with for both humans and machines.
* It is lightweight, which makes it efficient for storing and transferring data.
* It is language-independent, which means it can be used with any programming language that can parse JSON.
* It is widely supported, with libraries available for parsing and generating JSON in many different programming languages.