Using multiple nodes Sticky load balancing Why is sticky-session required Enabling sticky-session NginX configuration Apache HTTPD configuration HAProxy configuration Traefik ...

Client Installation Version compatibility Browser support Release notes Installation Standalone build From a CDN From NPM Client Installation Version compatibility Here ...

WebSocket 开启 WebSocket 配置 WebSocket 事件到 Action 的映射 服务端 Action 处理 emit broadcast 客户端示例 socket.io io 对象 设置 path 设置 allowOrigin 设置 adapter WebSocket 对于 WebSocket 目前 Th...

Handling CORS Configuration Troubleshooting Handling CORS Configuration Since Socket.IO v3, you need to explicitly enable Cross-Origin Resource Sharing (CORS). const io =...

Server Initialization Syntax CommonJS ES modules TypeScript Initialization Standalone Attached to an existing HTTP server With an HTTP server With an HTTPS server With an HT...

FAQ Can I use wildcards in events? Prevent flooding from single connection? Socket.IO with Apache Cordova? Socket.IO on iOS? Socket.IO on Android? Usage with express-session...

Introduction What Socket.IO is How does that work? What Socket.IO is not Features Introduction What Socket.IO is Socket.IO is a library that enables real-time, bidirectiona...

Client Installation Compatibility Release notes Installation Standalone build From a CDN From NPM Client Installation Compatibility Socket.IO does support IE9 and above. ...

Custom parser Implementing your own parser The default parser The msgpack parser Custom parser Since Socket.IO v2.0.0, it is now possible to provide your own parser, in order...

Cluster adapter How it works Installation Usage With Node.js cluster With PM2 With recluster Options Cluster adapter How it works The Cluster adapter allows to use Sock...