This environment enables the web applications to carry out two way communication between the server and the client and help them exchange real time data. The reason why developers prefer using Node Js nowadays are listed below:
JS is a language which is used by almost every developer at any point in their career which makes it extremely easy for them to switch from JS to Node JS. It is said that JS runs the world as its widely used in all type of applications.
Also a single event loop handles all the I/O operations making the performance great. Others functionalities which are handled very efficiently with the help of Node Js include reading/writing file systems, asynchronous actions, handling bulk connections, network connections, database interactions and several others.
The Node.js has been built using a basic event-driven design which means that all the functionalities carried out in this environment are executed as asynchronous callback events. Due to this a single thread is required to run al the functionalities unlike other web based applications in which a separate thread is required for each event. This fact makes this programming environment extremely lightweight and also provides programmers with the non-blocking I/O feature of Node JS.
The Node.js environment can be hosted anywhere. Also a variety of cloud based web servers and hosting services providers which support Node Js applications such as Google, Amazon, Azure, etc.
Node.js is also very favorable for web developers in order to build new services as in this case a number of small applications are built instead of a single large one. This makes it easier to modify and maintain these small units making it developer friendly.
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