Advantages and Limitations of Node.js
Today, Node.js is the most popular and widely used server side framework for small, large and any sized web app and web application development.
The advantages of Node.js are listed below:
Node.js is open source, so it’s free to use and no need to pay for license. There are also many open source modules supported by Node.js.
You can scale your Node.js application by using two ways – Horizontal Scaling and Vertical Scaling, which helps you to improve your application performance.
In Horizontal scaling you can add more nodes to your existing system.
In Vertical scaling you can add more resources to a single node.
Node.js supports caching of modules. Hence, when a Node.js modules is requested first time, it is cached into the application memory. So next calls for loading the same module may not cause the module code to be executed again.
Lightweight and Extensible
Node.js is open source. Hence you can extend it as per your need.
REST API Support
Using Node.js you can also develop RESTful services API easily.
It supports unit testing out of box. You can use any JS unit testing frameworks like Jasmin to test your Node.js code.
Node.js has some built-in API which help you to create different types of Server like HTTP Server, DNS Server, TCP Server etc.
Node.js has a wide community of developers around the world. They are active in development of new modules or packages to support different types of applications development.
Limitations of Node.js
There are following limitations of Node.js:
It doesn’t support multi-threaded programming.
Node good for executing synchronous and CPU intensive tasks.
What do you think?
I hope you have enjoyed the advantages and limitations of Node.js. I would like to have feedback from my blog readers. Your valuable feedback, question, or comments about this article are always welcome.