ondragover Event

Internet Development Index

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Fires on the target element continuously while the user drags the object over a valid drop target.

Syntax

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

Event Information

Bubbles	Yes
Cancels	Yes
To invoke	Drag the selection over a valid drop target within the browser. Drag the selection to a valid drop target within another browser window.
Default action	Calls the associated event handler.

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.
cancelBubble	Sets or retrieves whether the current event should bubble up the hierarchy of event handlers.
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.
ctrlKey	Sets or retrieves the state of the CTRL key.
ctrlLeft	Sets or retrieves the state of the left CTRL key.
dataTransfer	Provides access to predefined clipboard formats for use in drag-and-drop operations.
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.
returnValue	Sets or retrieves the return value from 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

The ondragover event fires on the target object after the ondragenter event has fired.

When scripting custom functionality, use the returnValue property to disable the default action.

Standards Information

There is no public standard that applies to this event.

Applies To

A, ACRONYM, ADDRESS, AREA, B, BDO, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, CUSTOM, DD, DEL, DFN, DIR, DIV, DL, document, DT, EM, FIELDSET, FONT, FORM, hn, HR, I, IMG, INPUT type=button, INPUT type=checkbox, INPUT type=file, INPUT type=image, INPUT type=password, INPUT type=radio, INPUT type=reset, INPUT type=submit, INPUT type=text, KBD, LABEL, LI, LISTING, MAP, MARQUEE, MENU, NOBR, OBJECT, OL, P, PLAINTEXT, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TR, TT, U, UL, VAR, XMP

See Also

About DHTML Data Transfer, ondragstart