onmouseoveronmouseover*
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onmouseover

Description

Fires when the user moves the mouse pointer into an element. The event occurs when the pointer first enters the element and does not repeat unless the user moves the pointer out of the element and then back into it.

Remarks

When the user moves the mouse pointer into an element, one onmouseover event occurs, followed by one or more onmousemove events as the user moves the pointer within the element, and finally one onmouseout event when the user moves the pointer out of the element. This event will bubble. Events that bubble can be handled on any parent element of the object that fired the event.

Examples

The following JScript example sets the onmouseover event handler for an element having the identifier "para_1". The handler changes the color of the text in the element when the mouse pointer enters the element. 

<SCRIPT FOR=para_1 EVENT=onmouseover LANGUAGE="JScript">
var el = window.event.srcElement;
for ( ; el.id != "para_1"; el = el.parentElement);
el.style.color = "black";
</SCRIPT>

The following JScript example sets the onmouseover event handler for an IMG element. The handler changes the image source file for the element when the mouse pointer enters the element. 

<IMG SRC="inactive.gif" onmouseover="flipImage('active.gif')" onmouseout="flipImage('inactive.gif')">
    .
    .
    .
<SCRIPT LANGUAGE="JScript">
function flipImage(url)
{
    if (window.event.srcElement.tagName == "IMG" ) {
        window.event.srcElement.src = url;
    }
}
</SCRIPT>

Applies To

A, ADDRESS, APPLET, AREA, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, DD, DFN, DIR, DIV, DL, DT, EM, EMBED, FIELDSET, FONT, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, KBD, LABEL, LEGEND, LI, LISTING, MAP, MARQUEE, MENU, OL, P, PLAINTEXT, PRE, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR, XMP, document

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