What's JSON?
- You have Arrays, Objects (Mappings), Strings, Numbers, null and booleans
- Strings are always enclosed in double quotes
- And that's basically all you need to know!
{ "firstName": "Kim", "lastName": "Smith", "age": 99, "old": true, "weight": null, "address": { "street": "21 Jump Street", "city": "New York", "postalCode": "10021" }, "phoneNumber": [ { "type": "home", "number": "212 555-1234" } ]}