JavaScript Object Notation, or JSON, is a lightweight data format that has become the defacto standard for the web. JSON can be represented as either a list of values, e.g. an Array, or a hash of properties and values, e.g. an Object.

Why JSON is used in Node JS?

js is an open source and cross-platform runtime environment for executing JavaScript code outside of the browser. It is widely used in developing APIs and microservices from small to large companies. JSON or JavaScript Object Notation is a light weight, text-based data interchange format.

Does node js use JSON?

When you want to store data between server restarts with Node, JSON files are a simple and convenient choice. Whether you are reading a config file or persisting data for your application, Node has some built in utilities that make it easy to read and write JSON files. Persist data to a JSON file. …