First things first, what you probably want is a JSONLINES file, not a JSON file. Each line is a lone JSON object, with no newlines. That way, when you append, you don't need to read the whole damn ...

Complex JSON: Nesting, objects, and arrays. So far, you’ve only seen examples of JSON used with shallow (or simple) objects. That just means every field on the object holds the value of a primitive.

JSON objects. JSON objects are unordered sets of name and value pairs. Objects are written inside of curly braces, like these { }. Everything inside the curly braces is part of the object. Objects can ...