I've upgraded to WIN10
After the selection of the datebox / combobox , the browser jump down to the end of page
It only occurs in WIN10's IE 11(Versions: 11.0.40)
I also test your demo page, the same case here
https://www.jeasyui.com/demo/main/index.php?plugin=DateBox&theme=material&dir=ltr&pitem=&sort=*Please resize the browser small as the vertical scroll bar appear