What is JSON and how is it used in web development?

What is JSON and how is it used in web development?

JSON stands for JavaScript Object Notation. It's a lightweight data interchange format that's easy for humans to read and write, and easy for machines to parse and generate. In web development, JSON is commonly used to transmit data between a server and a web application.

Can you give me an example of JSON data?

Sure! Here's a simple example of JSON data:

{
  "name": "John",
  "age": 30,
  "city": "New York"
}
``` This represents a person with a name, age, and city.

How do I parse JSON in JavaScript?

You can parse JSON in JavaScript using the JSON.parse() method. For example:

const jsonString = '{"name":"John","age":30}';
const jsonData = JSON.parse(jsonString);
console.log(jsonData.name); // Outputs: John

What are some common use cases for JSON in web applications?

Common use cases for JSON in web applications include API responses, configuration files, and data storage in NoSQL databases.