What Is Node.js?
Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. Unlike traditional JavaScript environments that run in web browsers, Node.js allows you to execute JavaScript code directly on your computer or server, outside of any browser. This means you can use JavaScript to build applications that run on the server side, such as web servers, command-line tools, APIs, and even desktop applications. Node.js is especially popular for building scalable network applications because it uses a non-blocking, event-driven architecture that can handle many connections at once without slowing down.
Node.js is commonly used for:
- Building web servers and server-side applications;
- Creating RESTful APIs for web and mobile apps;
- Developing real-time applications like chat apps and online games;
- Writing command-line utilities and automation scripts;
- Prototyping and rapid application development.
A "runtime environment" is a platform that provides everything needed to execute code written in a specific language. Node.js is considered a runtime environment because it supplies the engine (V8), libraries, and system interfaces required to run JavaScript programs outside the browser.
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What are the main advantages of using Node.js?
Can you explain what non-blocking, event-driven architecture means?
What types of applications are best suited for Node.js?
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Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. Unlike traditional JavaScript environments that run in web browsers, Node.js allows you to execute JavaScript code directly on your computer or server, outside of any browser. This means you can use JavaScript to build applications that run on the server side, such as web servers, command-line tools, APIs, and even desktop applications. Node.js is especially popular for building scalable network applications because it uses a non-blocking, event-driven architecture that can handle many connections at once without slowing down.
Node.js is commonly used for:
- Building web servers and server-side applications;
- Creating RESTful APIs for web and mobile apps;
- Developing real-time applications like chat apps and online games;
- Writing command-line utilities and automation scripts;
- Prototyping and rapid application development.
A "runtime environment" is a platform that provides everything needed to execute code written in a specific language. Node.js is considered a runtime environment because it supplies the engine (V8), libraries, and system interfaces required to run JavaScript programs outside the browser.
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