本课内容目前为英文。
Tell everyone listening
A chess move must reach both players' screens, and a new message must reach every open tab. With publish/subscribe, one client announces an event on a channel and every subscriber hears it instantly.
本课内容目前为英文。
A chess move must reach both players' screens, and a new message must reach every open tab. With publish/subscribe, one client announces an event on a channel and every subscriber hears it instantly.