JSON Basics Tutorial

Lesson 1 of 5: What is JSON?

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What is JSON?

JSON (JavaScript Object Notation) is a lightweight data interchange format that's easy for humans to read and write, and easy for machines to parse and generate.

Key characteristics:
• Text-based format
• Language independent
• Self-describing
• Easy to parse
• Widely supported

JSON is commonly used for:
• API responses
• Configuration files
• Data storage
• Web applications
• Mobile apps

Example

{
  "name": "John Doe",
  "age": 30,
  "city": "New York",
  "isStudent": false,
  "hobbies": ["reading", "coding", "gaming"]
}

Exercise

Create a JSON object representing a book with the following properties: - title: "The Great Gatsby" - author: "F. Scott Fitzgerald" - year: 1925 - genre: "Fiction" - isAvailable: true - tags: ["classic", "literature", "american"]

Your JSON:

Lesson 1 of 5