onscroll event

[This documentation is preliminary and is subject to change.]

Fires when the user repositions the scroll box in the scroll bar on the object.


HTML Attribute <element onscroll = "handler(event)">
Event Property object.onscroll = handler;
attachEvent Method object.attachEvent("onscroll", handler)
addEventListener Method object.addEventListener("scroll", handler, useCapture)

Standards information

There are no standards that apply here.

Event information

Synchronous No
Bubbles No
Cancelable No

Event handler parameters


Use the componentFromPoint and doScroll methods to control the scroll bar components.

Cascading style sheets (CSS) enable scrolling on all objects through the overflow property. These objects are not listed in the Applies To list for this event.

Scrolls the contents of an object until new portions of the object become visible.

To invoke this event, do one of the following:

  • Click and drag the scroll box with the mouse.
  • Click the scroll arrow.
  • Click the scroll bar.
  • Invoke the doScroll method.
  • Press the HOME or END key
  • Press the SPACEBAR key.
  • Press the PAGE UP or PAGE DOWN key.
  • Press the ARROW UP or ARROW DOWN key until scrolling occurs.

The pEvtObj parameter is required for the following interfaces:

See also




Build date: 1/23/2012