What Is JSON?
A simple way to exchange data
JSON is a human-readable format often used when computers exchange data.
What you'll learn from this poster
- What JSON isBorn from JavaScript / Easy for people to read / Widely used in web APIs
- Six data typesString "..." and number / true / false and null / Array [ ] and object { }
- Syntax rulesKeys use "double quotes" / No trailing comma / No comments allowed
- Format and validatePretty-print to read / Minify to shrink / Mind matching brackets
JSON is a readable way to write data
Usage: Free to print and display for learning at school or home (no sign-up). High-resolution portrait PNG (1024×1536); A3 or larger is recommended. Please do not sell, use commercially, or redistribute modified versions.