6/10/2023 0 Comments Socket io expressIn this article, you’ll learn how to send notifications between web clients and a Node.js server using Socket.io. It follows the WebSocket protocol and provides better functionalities, such as fallback to HTTP long-polling or automatic reconnection, which enables us to build efficient chat and real-time web applications. It is a highly performant and reliable library optimized to process a large volume of data messages with minimal delay. Socket.io is a popular JavaScript library that allows us to create real-time, bi-directional communication between clients and a Node.js server. Node.js has a built-in WebSocket module, but this module doesn’t provide the functionalities required to build complex real-time applications this is why Socket.io exists. We bring you the whole solution without dealing with WebSockets / scaling / databases / servers. If you are looking to implement in-app notifications (kind of like Facebook / Instagram / Upwork etc.), Check out Novu. Compared to HTTP, WebSockets provide a lasting bi-directional client-server connection, making it possible for data to change in real-time without refreshing the page. WebSockets create a connection between a client and a server, allowing them to send data both ways client-server and server-client. Have you ever used a forex trading app or visited a sports betting website? You will notice that the data changes almost every minute these changes are possible with the help of WebSockets. This type of communication is an HTTP connection, suitable for applications where data doesn’t change frequently.
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