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Node JS

Node.js is designed to build large network applications and serves as a server-side platform. Its latest version is v0.10.36. Being open source and cross-platform, Node.js is widely used for creating web applications. When developing a web or app, there are three main parts: the backend, frontend, and servers. The frontend is the visible part of the website where visitors interact with various functionalities. In an e-commerce website, for example, customers can view products, select sizes, add items to their cart, and proceed with the purchase. All these features are presented to customers on the frontend. However, every system also has a backend where the admin manages these details. Node.js plays a crucial role in creating the backend and storing uploaded products in the database.

Why is Node.js used?

There are several reasons why Node.js is widely adopted, including:

Fast execution: Node.js is built on the Google Chrome V8 engine, enabling fast execution and efficient runtime performance.
Extensive package availability: The Node Package Manager (NPM) offers over 50,000 packages, providing developers with a wide range of options to enhance their projects. This extensive package ecosystem saves development time.
Non-blocking I/O model: Node.js does not need to wait for APIs to return data, making it highly efficient for handling multiple concurrent requests.
Reduced loading time: Node.js minimizes loading time for audio and video content.

Node.js offers specific advantages such as event-driven and non-blocking APIs. It follows an event-driven process to receive and track responses from previous APIs. Its single-threaded architecture enhances scalability, allowing Node.js to handle a large number of requests compared to older servers. The framework promotes scalability, fast code execution, and compatibility across different systems such as Windows, UNIX, LINUX, MacOS, and mobile devices. Node.js does not buffer data in applications, providing real-time communication options through social media, apps, and the web. It enables push notifications and facilitates efficient message handling between senders and receivers.

JavaScript libraries can be used in Node.js applications to include various functions. The availability of publicly accessible modules enhances the functionality required for web applications. Node.js leverages runtime environments in Chrome and Firefox, enabling easy execution of JavaScript code. While JavaScript traditionally runs in browsers, Node.js is not a framework or library itself. It can be utilized for both small and enterprise applications. When a server receives a request, it pulls a thread from the pool and provides the necessary details. Node.js plays a vital role in multiple industries by offering powerful events, real-time communication, and the ability to send and receive push notifications.

Single-page applications (SPAs) have gained significance as they allow presenting all information on a single page. Many companies utilize single websites to showcase their services. SPAs are commonly used in text tools, online drawing, and network applications. Node.js and browsers both employ JavaScript, allowing developers to use the same language and data, resulting in faster development and easy maintenance of SPAs. Social sites heavily rely on this technology. Node.js is also ideal for streaming applications, thanks to its native streaming API. With Read and Write stream interfaces, Node.js offers efficient processing and monitoring. Streaming applications do not require caching or temporary data. Moreover, Node.js is an excellent choice for developing microservices and creating user-friendly APIs for seamless connections.

Available hosting options for Node.js include:

Amazon Web Services
Google Cloud Platform
Microsoft Azure
RedHat OpenShift Online
DigitalOcean

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