Fires when the user moves the mouse pointer into the object.
Syntax
Inline HTML <ELEMENT onmouseover = "handler" ... > All platforms Event property object.onmouseover = handler JScript (compatible with ECMA 262 language specification) only Named script <SCRIPT FOR = object EVENT = onmouseover> Internet Explorer only
Remarks
Bubbles Yes Cancels Yes To invoke Move the mouse pointer into an object. Default action Initiates any action associated with this event. The event occurs when the user moves the mouse pointer into the object, and it does not repeat unless the user moves the mouse pointer out of the object and then back into it.
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.
altKey Retrieves the current state of the ALT key. button Retrieves which mouse button, if any, is pressed. 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. ctrlKey Retrieves the state of the CTRL key. fromElement Retrieves the object the cursor is exiting during the onmouseover and onmouseout events. 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. shiftKey Retrieves the state of the SHIFT key. srcElement Retrieves the object that fired the event. toElement Retrieves the object being moved to as a result of an onmouseover or onmouseout 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.
Example
This example uses the onmouseover event to apply a new style to an object.
<DIV> <P onmouseover="this.style.color='red'" onmouseout="this.style.color='black'"> Move the mouse pointer over this text, then move it elsewhere in the document. Move the mouse pointer over this text, then move it elsewhere in the document. </DIV>This example shows how to change the value of a text area in response to mouse events.
<DIV> <P>Move the mouse pointer into the text area to fire the onmouseover event. Move it out to clear the text. <TEXTAREA NAME=txtMouseTrack onmouseover="this.value='onmouseover fired'" onmouseout="this.value=''"> </TEXTAREA> </DIV>
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=password, INPUT type=radio, INPUT type=reset, 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
See Also