onbeforeupdate Event

Fires on a databound object before updating the associated data in the data source object.

Syntax

Inline HTML <ELEMENT onbeforeupdate = "handler" ... > All platforms

Event property object.onbeforeupdate = handler JScript (compatible with ECMA 262 language specification) only

Named script <SCRIPT FOR = object EVENT = onbeforeupdate> Internet Explorer only

Inline HTML	<ELEMENT onbeforeupdate = "handler" ... >	All platforms
Event property	object.onbeforeupdate = handler	JScript (compatible with ECMA 262 language specification) only
Named script	<SCRIPT FOR = object EVENT = onbeforeupdate>	Internet Explorer only

Remarks

Bubbles Yes

Cancels Yes

To invoke Cause an object to receive focus, change the value of the object, and either cause the object to lose focus or force the page to unload.

Default action Signals that the data contained in an object has changed.

If the onbeforeupdate event is canceled, the onafterupdate event does not fire.

Bubbles	Yes
Cancels	Yes
To invoke	Cause an object to receive focus, change the value of the object, and either cause the object to lose focus or force the page to unload.
Default action	Signals that the data contained in an object has changed.

Event Object Properties

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

cancelBubble Sets or retrieves whether the current event should bubble up the hierarchy of event handlers.

clientX Retrieves the x-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.

clientY Retrieves the y-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.

offsetX Retrieves the horizontal coordinate of the mouse's position relative to the object firing the event.

offsetY Retrieves the vertical coordinate of the mouse's position relative to the object firing the event.

returnValue Sets or retrieves the return value from the event.

screenX Retrieves the horizontal position of the mouse, in pixels, relative to the user's screen.

screenY Retrieves the vertical position of the mouse, in pixels, relative to the user's screen.

srcElement Retrieves the object that fired the event.

type Retrieves the event name from the event object.

x Retrieves the x-coordinate of the mouse cursor relative to the parent element.

y Retrieves the y-coordinate of the mouse cursor relative to the parent element.

cancelBubble	Sets or retrieves whether the current event should bubble up the hierarchy of event handlers.
clientX	Retrieves the x-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.
clientY	Retrieves the y-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.
offsetX	Retrieves the horizontal coordinate of the mouse's position relative to the object firing the event.
offsetY	Retrieves the vertical coordinate of the mouse's position relative to the object firing the event.
returnValue	Sets or retrieves the return value from the event.
screenX	Retrieves the horizontal position of the mouse, in pixels, relative to the user's screen.
screenY	Retrieves the vertical position of the mouse, in pixels, relative to the user's screen.
srcElement	Retrieves the object that fired the event.
type	Retrieves the event name from the event object.
x	Retrieves the x-coordinate of the mouse cursor relative to the parent element.
y	Retrieves the y-coordinate of the mouse cursor relative to the parent element.

Applies To

[ Object Name ]

Platform Version

Win16:

Win32:

Mac:

Unix:

WinCE:

Version data is listed when the mouse hovers over a link, or the link has focus.

BDO, custom, INPUT TYPE=text, RT, RUBY, TEXTAREA