onmousemove Event

Fires when the user moves the mouse over the object.

dhtml语法

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

Event Information

Bubbles	Yes
Cancels	No
To invoke	Move the mouse over the document.
Default action	Initiates any action associated with this event.

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.
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.
shiftKey	Sets or retrieves the state of the SHIFT key.
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

If the user presses a mouse button, use the button property to determine which button was pressed.

DHTML代码范例

This example uses the onmousemove event to monitor the location of the mouse cursor on the screen. When the mouse cursor moves over the div object, a span object is updated with the clientx and clienty property values. the clientx and clienty properties are exposed by the event object.

<SCRIPT>
function fnTrackMouse(){
oNotice.innerText="Coords: (" + event.clientX + ",
" + event.clientY + ")";
}
</SCRIPT>
<DIV ID="oScratch" onmousemove="fnTrackMouse()">
<SPAN ID="oNotice"></SPAN>
</DIV>

This feature requires Microsoft® Internet Explorer 4.0 or later. Click the following icon to install the latest version. Then reload this page to view the sample.

是否符合公共标准

This event is defined in HTML 4.0 .

Applies To

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

更多语法参考

onmousewheel, onmousedown, onmouseout, onmouseover, onmouseup