if (message.content.startswith(prefix+'ping')) { message.channel.sendmessage('pong! \'${date.now() - message.createdtimemestamp} ms\''); }else : if (message.content.startswith(prefix+'ping')) {
      message.channel.sendmessage('pong! \'${date.now() - message.createdtimemestamp} ms\'');
  }else


`TypeError:message.content.startswith is not a function`
-
**What is the solution to this problem**
