JSON is a stringified representation of a JavaScript object, which makes it perfect for saving to a file or sending in an HTTP request. Remember, an actual JavaScript object is something that exists only within your program's variables. If we want to send an object outside our program, for example, across the internet in an HTTP request, we need to convert it to JSON first.
Just because JSON is called JavaScript Object Notation doesn't mean it's only used by JavaScript code! JSON is a common standard that is recognized and supported by every major programming language. For example, even though Boot.dev's backend is written in Go, we still use JSON as the communication format between the front-end and backend.
.json files are often used as configuration files.I pronounce it "Jay-sawn", but I've also heard people pronounce it "Jason" (like the name), and even "J'ai son" (Frenchily).
JSON is a ____