<html>
<head>
<style>
.on{background-color:red;color:yellow}
.off{background-color:yellow;color:red}
</style>
</head>
<body>
<input type="button" onmouseover="this.className='on'" onmouseout="this.className='off'" class="off" value="test">
</body>
</html>
<head>
<style>
.on{background-color:red;color:yellow}
.off{background-color:yellow;color:red}
</style>
</head>
<body>
<input type="button" onmouseover="this.className='on'" onmouseout="this.className='off'" class="off" value="test">
</body>
</html>
用css我可以自己实现了的,我现在想用js程序实现
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style>
<!--
.input1 {
BACKGROUND-COLOR: #e8e8e8; BORDER-BOTTOM:
#a8a8a8 1px solid; BORDER-LEFT: #a8a8a8 1px solid;
BORDER-RIGHT: #a8a8a8 1px solid; BORDER-TOP: #a8a8a8
1px solid; FONT-SIZE: 9pt
}
-->
</style>
</head>
<body bgcolor="#FFFFFF" text="#000000" bgProperties=fixed >
<p>
<input type="button" id="zdd" onclick=javascript:event.srcElement.className="input1" name="Button" value="Button1">
<input type="button" name="Button" value="Button2" onclick=javascript:document.all.zl.className=(document.all.zl.className=="input1")?'':'input1'>
<input type="button" name="Button" value="Button3" onclick="javascript:document.all.zdd.style.display=(document.all.zdd.style.display =='none')?'':'none'">
<input type="button" name="Button" value="Button4" onclick=javascript:this.className=(this.className=="input1")?'':'input1'>
<input type="button" id="zl" name="Button5" value="Button5">
<input type="submit" name="Submit" value="Submit" class="input1">
</p>
</body>
</html>
<html>
<head>
<script language="JavaScript">
<!--
var bg;
function on(o){
bg=o.currentStyle.backgroundColor
o.style.backgroundColor='red'
}
function off(o){
o.style.backgroundColor=bg
}
//-->
</script>
</head>
<body>
<input type="button" onmouseover="on(this)" onmouseout="off(this)" style="background-color:yellow" value="test">
</body>
</html>
<!--
function change(color){
var el=event.srcElement
if (el.tagName=="INPUT"&&el.type=="button")
event.srcElement.style.backgroundColor=color
}
//-->
</script>
<input onMouseover="change('blue')" onMouseout="change('')" type="button" value="按钮">