Advantages and Limitations of Node

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Advantages and Limitations of Node.js :

Advantages and Limitations of Node.js



Node.js is the most popular and widely used server-side framework for developing web applications and application applications of any size, any size. The advantages of Node.js are listed below 1. Open Source: Node.js is open-source, so it's free and you do not need to pay for a license. There are many open-source modules supported by Node.js.


2. JavaScript as Programming Language: It uses JavaScript as the programming language for front-end and back-end systems, which increases programmer productivity and code reuse. 3. Scalable: You can resize your Node.js application in two ways: horizontal scaling and vertical scaling, which help you improve the performance of your application. Horizontal scaling: Here you can add more nodes to your existing system. Vertical scaling: Here you can add more resources to a single node.


4. Better Performance: It provides better performance because I / O operations of Node.js do not block. In addition, it uses the JavaScript engine V8 to execute JavaScript code. The V8 engine compiles the JS code directly into the machine code, which makes it fast. 5. Caching Support: Node.js supports the caching of modules. Thus, when a Node.js module is requested for the first time, it is cached in the application memory. Thus, future calls to load the same module may not cause module code execution.


6. Lightweight and Extensible: Node.js is JavaScript-based, which can be run on both the client and server side. In addition, it supports data exchange using JSON, which is easily consumed by JavaScript. This makes it lightweight compared to other frameworks.Node.js is an open source. Therefore, you can extend it according to your needs. 7. REST API Support: By using Node.js, you can also easily develop a Restful service API.


8. Unit Testing: It supports unit testing out of the box. You can use any JS unit test framework, such as Jasmin, to test your Node.js code. 9. Server Development: Node.js has an integrated API that helps you create different types of servers such as HTTP Server, DNS Server, TCP Server, and so on. 10. Community Support: Node.js has a large community of developers around the world. They are active in the development of new modules or packages to support different types of application development.


Limitations of Node.js The following are limitations of Node.js: It does not support multithreaded programming. It does not support very computationally intensive tasks. When running a long-running task, it queues all incoming requests to wait for it to run because it follows the single-threaded JavaScript event loop. Node good for performing synchronous and CPU intensive tasks.


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