版本:4.0.1

  • https://cdn.bootcdn.net/ajax/libs/socket.io/4.0.1/socket.io.
  • https://cdn.bootcdn.net/ajax/libs/socket.io/4.0.1/socket.io.min.
  • https://cdn.bootcdn.net/ajax/libs/socket.io/4.0.1/socket.io.msgpack.min.