JSON

• JSON stands for JavaScript Object Notation
• JSON is a lightweight data exchange format
• JSON is a text format for storing and transporting data
• JSON is self-describing and easy to understand
• JSON data can be hierarchical

Syntax

• Data is in name/value pairs
• Data is separated by commas
• Curly braces hold objects
• Square brackets hold arrays

Data Types

In JSON, values must be one of the following data types:

• string
• number
• object
• array
• boolean
• null

Files

• The file type for JSON files is .json
• The MIME (Multipurpose Internet Mail Extensions) type for JSON text is application/json

Using in JavaScript

• JSON makes it possible to store and send JavaScript objects as text.

Parsing JSON

Convert JSON to JavaScript Object

const data = '{"name": "ganesh", "country": "india", skills: ["html", "css", "js"]}';
const person = JSON.parse(data)

Stringify

Convert JavaScript Object to JSON

const person = {
	name: "ganesh",
	country: "india"
}
const data = JSON.stringify(obj)