| 摘要 |
A method of updating a scroll bar in a screen of a user terminal according to an embodiment of the present invention may include displaying a chat window including at least a portion of a chat history among users in a first display area of a touch display, displaying a scroll bar in a second display area of the touch display, storing the new chat message in a temporary memory temporarily upon receipt of the new chatting message, adding the new chat message into the chat history in response to a touch event of the user on the touch display, and updating the scroll bar in response to the new chat message being added into the chat history. |
