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The onmouseover property returns the onMouseOver event handler code on the current element.

Syntax

element.onmouseover = event handling code

Example

<!doctype html>  
<html>  
<head>  
<title>onmouseover/onmouseout event example</title>  
<script type="text/javascript">  
    function initElement()  
    {  
        var p = document.getElementById("foo");  

        p.onmouseover = showMouseOver;
        p.onmouseout = showMouseOut;
    };  

    function showMouseOver()  
    {  
        var notice = document.getElementById("notice");
        notice.innerHTML = 'mouse over detected';
    }
    
    function showMouseOut()
    {
        var notice = document.getElementById("notice");
        notice.innerHTML = 'mouse out detected';
    }


</script>  
<style type="text/css">  
    #foo {  
    border: solid blue 2px;  
    }  
</style>  
</head>  
<body onload="initElement();">  
    <span id="foo">My Event Element</span>
    <p>move your mouse over and out the above element.</p>  
    <div id="notice"></div>
</body>  
</html>  

Notes

The mouseover event is raised when the user moves the mouse over a particular element.

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'onmouseover' in that specification.
Living Standard  

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome Full support YesEdge Full support YesFirefox Full support YesIE Full support YesOpera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes

Legend

Full support  
Full support

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最終更新者: fscholz,