版本:3.0.0-rc3

  • https://cdn.bootcdn.net/ajax/libs/socket.io/3.0.0-rc3/socket.io.js
  • https://cdn.bootcdn.net/ajax/libs/socket.io/3.0.0-rc3/socket.io.min.js
  • https://cdn.bootcdn.net/ajax/libs/socket.io/3.0.0-rc3/socket.io.msgpack.min.js