Dhruti Shah

Here, the request is sent to the server or the computer’s file system first. While the server opens, reads and returns the data to the client, at the same time the next request is handled by Node.js.

However, AJAX uses JavaScript to work asynchronously on client-side whereas Node.js uses JavaScript to work asynchronously on server-side.

Thus, AJAX is used on client-side for asynchronous communication with the server whereas Node.js is used to create a server using JavaScript.

Express is a minimal and flexible Web application framework built on top of Node. js. It is a feature-rich framework for creating Web and mobile applications.

It adds more features to Node.js specially for making the Web servers development easier by providing built-in methods, for example, for easily working with routes

Redux maintains the state of an entire application by using a single immutable object that cannot be modified directly.

A framework can be seen as a layered structure that indicates the type of codes or programs that can be built and how these can be interrelated.

A framework may contain libraries, other programs, programming interfaces, tools for developing software, etc.

A module in Node.js can be compared to a JavaScript library which contains functions that can be included in a code. The functionality of modules may be organized in one or more JavaScript files.

Note: The JavaScript standards for console and desktop applications as well as for Web server are defined by a group of volunteers which are recognized as CommonJS]