What Is JSON?
Learn about JSON (JavaScript Object Notation) and its uses in web development.
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Definition
JSON is a lightweight data interchange format that is easy for humans to read and write, and easy for machines to parse and generate.
Structure
JSON uses key-value pairs and arrays.
Keys must be strings in double quotes.
Example
{
"name": "John",
"age": 30,
"hobbies": ["reading", "coding"]
}
Common Uses
- API responses
- Configuration files
- Data storage
- Data exchange between systems