How to get the scroll-down distance and get the scroll-down

How to get the scroll-down distance and get the scroll-down

How to get the scroll-down distance:
In practical applications, you sometimes need to obtain the distance from the top of the scroll bar to the top of the window, which is often used in motion frames. The following describes how to implement this function.
The code example is as follows:

 

<! DOCTYPE html> 
 
When the code is dragging down the scroll bar, it can display the drag-down distance in the gray div in real time. The code is very simple and is not described here. For more information, see.
Related reading:
1. For details about scroll events, see scroll events in jQuery.
2. For details about the scrollTop () function, refer to jQuery's scrollTop () method.
The original address is: http://www.softwhy.com/forum.php? Mod = viewthread & tid = 8930.
For more information, see: http://www.softwhy.com/jquery/