This information, or representation, is delivered in one of several formats via HTTP: JSON (Javascript Object Notation), HTML, XLT, Python, PHP, or plain text.
REST APIs: A REST API (also known as RESTful API) is an application programming interface (API or web API) that transfers a representation of the state of the resource to the requester or endpoint. Some examples include video- and audio-streaming apps. Data streaming apps: These are apps (or services) that send data/content as it arrives (or is created) while keeping the connection open to continue downloading further data, content, or components as needed. Some example RTAs include instant messaging apps or chat rooms, online multiplayer games that can be played in the browser, online collaboration docs, community storage, video conference apps, etc. Real-time apps (RTAs): These are web apps that enable users to receive information as soon as it’s published by an author. You can create SPAs using modern JavaScript libraries or frameworks like: React.js, Angular, Vue.js etc. Single-page apps (SPAs): These are web apps that work inside a browser and don’t need to reload a page every time you use it to get new data. Here are a few examples of what you might create with Node.js. Node.js is primarily used for building fast and scalable web applications. Microsoft, npm, & Google strongly recommend using a NVM to install Node.js and npm. It’s not recommend using a Node installer, since the Node installation process installs npm in a directory with local permissions and can cause permissions errors when you run npm packages globally. You must install Node.js and the npm using either a NVM or a Node installer. JavaScript is the only language that Node.js supports natively, but many compile-to-JS languages are available. As a result, Node.js applications can be written in CoffeeScript, Dart, TypeScript, ClojureScript and others. 
Both, Node.js and Web Browser (like Google Chrome, Microsoft Edge etc) runs on the Google’s V8 JavaScript engine. Node.js is back-end JavaScript runtime environment, similarly Web Browser is frontend JavaScript runtime environment. How to install nvm, node and npm in Windows Install Node.js and npm using a Node installer
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