Node.js is an open source environment used for development of server-side web applications. It can be used to build applications such as command line application, web application, real-time chat application, REST API server and network programs like web servers.
Asynchronous and event-driven
It helps in concurrent request handling. That is, if a request is received by Node for input or output operations it will execute the operation in the background and continue with processing other requests.
It uses a single threaded model with event looping and can provide service to a much larger number of requests than traditional servers like Apache HTTP Server. Since it is single threaded, it requires only less resource than other platforms.
Event mechanism helps the server to respond in a non-blocking way and makes the server highly scalable
It 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.
Node.js is open source and is released under MIT licence.
Node.js runs in a single process and the application code runs in a single thread and thereby needs fewer resources. All requests to your web application will be handled by a single thread and all the I/O work or long-running job is performed asynchronously for a particular request. So, this single thread doesn't have to wait for the request to complete and is free to handle the next request. When asynchronous I/O work completes then it processes the request further and sends the response.
The companies that use Node.js are
It is important to select the best Node.js company for the business development. There are thousands of companies around the world. To select the best one among them is a difficult task. We have a list of top Node.js development companies which can provide you with good business solutions.