After end of a chatting (all people in the room go out from the room), the chatting room is disable to chat anymore. The reason is that the document is not initialized after chatting.
When the number of user in the room turns into 0 from positive number, then it will mean the people finished conversation.
After end of a chatting (all people in the room go out from the room), the chatting room is disable to chat anymore. The reason is that the document is not initialized after chatting.
When the number of user in the room turns into 0 from positive number, then it will mean the people finished conversation.