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JSON Tutorial - Syntax and Format

📅 2026-06-12 | 📂 JSON

JSON Syntax

{
    "name": "Alice",
    "age": 25,
    "active": true,
    "hobbies": ["reading", "coding"],
    "address": {"city": "Singapore"}
}

JavaScript

const obj = JSON.parse("{\"name\":\"Alice\"}");
const str = JSON.stringify(obj, null, 2);

Summary

JSON uses key-value pairs with double quotes
JSON.parse/stringify in JavaScript