onscroll Event

Internet Development Index

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

Syntax

Inline HTML	<ELEMENT onscroll = "handler" ... >	All platforms
Event property	object.onscroll = handler	JScript only
	object.onscroll = GetRef("handler")	Visual Basic Scripting Edition (VBScript) 5.0 or later only
Named script	<SCRIPT FOR = object EVENT = onscroll>	Internet Explorer only

Event Information

Bubbles	No
Cancels	No
To invoke	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.
Default action	Scrolls the contents of an object until new portions of the object become visible.

Event Object Properties

Although event handlers in the DHTML Object Model do not receive parameters directly, a handler can query an event object for data.

Available Properties

altKey	Sets or retrieves a value that indicates the state of the ALT key.
altLeft	Sets or retrieves a value that indicates the state of the left ALT key.
clientX	Sets or retrieves the x-coordinate of the mouse pointer's position relative to the client area of the window, excluding window decorations and scroll bars.
clientY	Sets or retrieves the y-coordinate of the mouse pointer's position relative to the client area of the window, excluding window decorations and scroll bars.
ctrlLeft	Sets or retrieves the state of the left CTRL key.
offsetX	Sets or retrieves the x-coordinate of the mouse pointer's position relative to the object firing the event.
offsetY	Sets or retrieves the y-coordinate of the mouse pointer's position relative to the object firing the event.
screenX	Retrieves the x-coordinate of the mouse pointer's position relative to the user's screen.
screenY	Sets or retrieves the y-coordinate of the mouse pointer's position relative to the user's screen.
shiftLeft	Retrieves the state of the left SHIFT key.
srcElement	Sets or retrieves the object that fired the event.
type	Sets or retrieves the event name from the event object.
x	Sets or retrieves the x-coordinate, in pixels, of the mouse pointer's position relative to a relatively positioned parent element.
y	Sets or retrieves the y-coordinate, in pixels, of the mouse pointer's position relative to a relatively positioned parent element.

Remarks

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.

Standards Information

There is no public standard that applies to this event.

Applies To

	APPLET, BDO, BODY, CUSTOM, DIV, EMBED, MAP, MARQUEE, OBJECT, TABLE, TEXTAREA, window

See Also

onmousewheel