常问问题

Can I use wildcards in events?

Not in Socket.IO directly, but check out this plugin by Hao-kang Den. It provides a Socket.IO middleware to deal with wildcards.

Prevent flooding from single connection?

Limit number of events by IP, uniqueUserId or/and socket.id with rate-limiter-flexible package.

Socket.IO with Apache Cordova?

Take a look at this tutorial.

Socket.IO on iOS?

Take a look at socket.io-client-swift.

Socket.IO on Android?

Take a look at socket.io-client.java.

Usage with express-session

Please check this guide.