版本:1.7.4

  • https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.4/socket.io.
  • https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.4/socket.io.min.
  • https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.4/socket.io.slim.
  • https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.4/socket.io.slim.min.