What is Node.js? - The Ultimate Guide

Are you looking for a lightweight, fast and scalable language for your web application? You’ve might have heard of Node.js, an opensource and free software designed to help developers create high performance server-side applications. It’s also renowned for its excellent security features, compatibility with multiple languages, easy-to-use platform, as well as its great community support.

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Node.js provides both frontend and backend development solutions in a single package. Its lightweight nature makes it perfect for applications that need to be fast and efficient but yet still provide robust security features. With Node.js you can develop apps with the same codebase which improves performance by reducing code duplication.

It has built in support for many languages like JavaScript, TypeScript, Coffee Script, Dart and more; allowing you to use the language that best suits your needs. Node also boasts some powerful tools like AngularJS, ReactJS and Redux which helps to speed up development time & enhance scalability.

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Node's security features are robust and comprehensive; they use secure encryption protocols like SSL/TLS to ensure that data is transmitted securely over the internet while providing access control measures such as authentication and authorization protocols to safeguard user data from unauthorized access. It also has a built-in error handling system that takes care of errors in production applications preventing them from crashing or becoming vulnerable to malicious attacks. Moreover, Node offers cross site request prevention (XSRF) to protect against common exploits like CSRF (cross site scripting).

Source: 25+ Node JS Interview Questions & Answers | DataTrained