Click on the scroll bar with your mouse. You can click on the arrows at either end of the scroll bar. You also can click and drag the scroll indicator.
If you have not clicked on the page you are trying to scroll on with the mouse or on the scroll bar its self then you won't be able to scroll on the page till you do.
it allows u to scroll up and down on your computer
The scroll bar is the bar on the side of your browser that you drag to move up and down the page.
The scroll box
The scroll bar at the right side of the window allows you to move the visible part of the data up and down as desired. Vertical scroll bar
If you are using a mouse or trackpad, just move the mouse cursor to the right of the screen and then move it downwards. If you are using a touchscreen, simply swipe in from the right side of the screen and the Charms bar should appear.
If you click on the white space in the scroll bar you will move a page at a time (number of rows may depend on your screen resolution). When you click just on the arrow heads at the ends of the scroll bar you will move only one row at a time.
Scroll bar is a bar that appears on the side or bottom of a window to control which part of a list or document is currently in the window 's frame. The scroll bar makes it easy to move to any part of a file.
The FlatScrollBar control is a mouse-sensitive version of the standard Windows scroll bar that offers two-dimensional formatting options. It can also replace the standard Windows three dimensional scroll bar. The FlatScrollBar provides increased intreactivity when using the scroll arrows and the scroll box.
It is called the slider or scroll bar and if you click and move the slider up or down the partially visible contents of the window scroll up or down
scroll box