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Features of Node.js

Following is a list of some important features of Node.js that makes it the first choice of software architects.

  1. Extremely fast: Node.js is built on Google Chrome’s V8 JavaScript Engine, so its library is very fast in code execution.
  2. I/O is Asynchronous and Event Driven: All APIs of Node.js library are asynchronous i.e. non-blocking. So a Node.js based server never waits for an API to return data. The server moves to the next API after calling it and a notification mechanism of Events of Node.js helps the server to get a response from the previous API call. It is also a reason that it is very fast.
  3. Single threaded: Node.js follows a single threaded model with event looping.
  4. Highly Scalable: Node.js is highly scalable because event mechanism helps the server to respond in a non-blocking way.
  5. No buffering: Node.js cuts down the overall processing time while uploading audio and video files. Node.js applications never buffer any data. These applications simply output the data in chunks.
  6. Open source: Node.js has an open source community which has produced many excellent modules to add additional capabilities to Node.js applications.
  7. License: Node.js is released under the MIT license.