JSON
JSON
JSON
JSON · JSON · JSON · JAY-son · JavaScript Object Notation · Programming · data · web · formatsProgrammingJavaScript Object Notation/JAY-son/
Also known as: JavaScript Object Notation
Last updated February 19, 2026
Definition
JSON (JavaScript Object Notation) is a lightweight, text-based format for structuring data using objects, arrays, strings, numbers, booleans, and null.
Real-World Example
An API response might look like: {"city":"Lhasa","tempC":12}.
References
Related terms
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