![]() In particular, Node has a powerful Event API that facilitates creating certain kinds of objects (“emitters”) that periodically emit named events “listened” for by event handlers. Node.js provides all basic functionalities for building real-time chats of any complexity. ![]() Real-time chats can take the form of one-to-one or one-to-many group chats built on instant messaging (IM) or Internet Relay Chat (IRC) technologies. Low memory requirements allow for the easy integration of Node.js as software into single-board controllers such as Arduino, widely used for building digital devices that form IoT systems.įinally, the Node community has been an early adopter of the IoT technology, creating over 80 packages for Arduino controllers and multiple packages for the Pebble and Fitbit wearable devices widely used in IoT systems. IoT developers working in data-intensive scenarios can leverage the low resource requirements of Node.js. This makes Node.js fast as an application layer between these devices and databases used to store the data originating from them. ![]() The avalanche of requests and data coming from IoT devices does not block Node.js servers thanks to their event-driven architecture and asynchronous processing suitable for I/O-heavy operations on the IoT network. The most obvious advantage of Node.js as a backend for such networks is its ability to process multiple concurrent requests and events emitted by thousands or even millions of devices on the network.
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