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Initialize websockt and create a webSocket example

2024-07-11

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Writing ideas:

The following mainly writes about websocket from several aspects, including the following: what is webSocket, the advantages and disadvantages of webSocket, the working principle of webSocket, webSocket handshake example, how to use webSocket (an example of using webSocket), application scenarios...

1. What is webSocket

WebSocket is a protocol for full-duplex communication over a single TCP connection.

It was standardized by the IETF in 2011 as RFC 6455 and is supported by the WebSocket API in Web IDL.

It is designed to establish a long-term two-way communication channel between the client and the server, overcoming some limitations of traditional HTTP, especially in scenarios where real-time data transmission is required.

two,