JSON

When exchanging data between client and server, the data can only be text.

JSON, which stands for JavaScript Object Notation is a data format suitable for transporting data to and from a server. JSON is text, written with JavaScript object notation.

A JSON object should be enclosed in curly braces. JSON names require double quotes, while standard JavaScript objects don't.

JSON.stringify()

Converts a JavaScript object to a JSON string.

const person = {
  name: "hemanta",
  age: 32,
}

const personText = JSON.stringify(person)

console.log(personText) // => {"name": "hemanta", "age": 32}

console.log(typeof personText) // => string

JSON.parse()

Parses a JavaScript string and constructs the JavaScript object described by the string.

const person = '{"name": "hemanta", "age": 32}'

const personText = JSON.parse(person)

console.log(personText) // => { name: 'hemanta', age: 32}

console.log(typeof personText) // => object