Node.js
Node.js is an open-source, cross-platform JavaScript runtime environment that allows developers to execute server-side JavaScript code. Node.js has gained widespread popularity for its efficiency and scalability, particularly in building real-time, networked applications. Here's a concise overview of Node.js:
In summary, Best Node.JS Training In trivandrum has become a popular choice for developers looking to build scalable, and real-time applications using JavaScript on the server side. Its asynchronous and event-driven architecture, combined with a rich ecosystem of packages, makes it well-suited for a variety of applications.
Here’s a concise overview of Node.js:
- JavaScript Runtime: js enables the execution of JavaScript code outside of a web browser, making it suitable for server-side development. It utilizes the V8 JavaScript engine, originally developed by Google for the Chrome browser.
- Event-Driven and Asynchronous: js is designed with an event-driven, non-blocking I/O model. This allows it to efficiently handle a large number of concurrent connections without the need for threads, making it well-suited for building scalable and responsive applications.
- Single-Threaded: Although it uses a single-threaded event loop, Node.js can handle concurrent operations through asynchronous callbacks. This allows developers to write highly performant code, especially for applications with a high level connections.
- NPM (Node Package Manager): Node.js, additionally, comes bundled with NPM, a powerful package manager that significantly simplifies the process of installing, managing, and sharing third-party libraries and tools. As a result, NPM has become largest ecosystems open-source in the software development world.
- Cross-Platform: Node.js is inherently cross-platform, meaning it can seamlessly , including limited to Linux, macOS, and Windows. Ultimately, this provides developers with remarkable flexibility in deployment.
- Modules and CommonJS: js supports the CommonJS module system, allowing developers to modularize their code and reuse components easily. Modules can be easily import and export, promoting code organization and maintainability.
- Use Cases: js is commonly use for building web servers, Application Programming Interface and real-time applications , and collaborative tools. It is particularly well-suit for applications requiring high concurrency and low-latency responses.
- Active Community: js has a large and active community of developers who contribute to its ongoing development. The community’s engagement has led to the creation of numerous libraries, frameworks, and tools that enhance the capabilities of Node.js.
- Scalability: Due to its asynchronous and non-blocking nature, Node.js. it highly scalable and performs well under heavy loads, making it a preferred choice for applications that require responsiveness and scalability.
- Support for JavaScript Ecosystem: js allows developers to leverage their JavaScript skills across both the client and server sides, fostering a unified development experience. This enables the reuse of code and expertise between frontend and backend development.
1.Installing and Exploring Node.js
- What is node.js ?
- Why node.js ?
- What can node.js do ?
- What is node.js file ?
- Features of node.js
- Installing node.js
2.Node.js Module System
- Importing core modules
- Importing npm modules
- Importing local modules
- Buffer
- Stream
3.File System
- Read
- Write
- Update
- Delete
- Rename
- Upload files
4.Global Objects
- __filename
- __dirname
- setInterval()
- setTimeout()
- clearTimeout()
5.Asychronous Node.js
- Basics
- Event loop, Event emitter
- Callback Concept
6.Express Framework
- Overview
- Installing
- Response and Request
- Basic Routing
- GET, POST method
7.Restful APIs
- Rest Architecture
- RESTFUL Web Services
8.Scaling Application
9.Database Connectivity
- Node.js MySQL
- Create Database and Table
- Insert
- Delete
- Select
- Update
- Drop
- Join
- Order by
- Limit
- Node.js MongoDB
- Create Database and collection
- Insert
- Delete
- Select
- Update
- Drop
- Join
- Sort
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