日期:2014-05-16 浏览次数:20387 次
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
window.onload = function() {
var obj = document.getElementById('demo').getElementsByTagName('tr');
for (var i = 0; i < obj.length; i ++) {
obj[i].onmouseover = function() {
this.style.backgroundColor = 'red';
}
obj[i].onmouseout = function() {
this.style.backgroundColor = '';
}
}
}
</script>
</head>
<body>
<table width="500" border="1" id="demo">
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
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</tr>
<tr>
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</tr>
<tr>
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</tr>
</table>
</body>
</html>
------解决方案--------------------
<table width="500" border="1" id="demo" cellpadding="0" cellspacing="0">
<tr onmousemove="this.style.backgroundColor='red'" onmouseover="this.style.backgroundColor='red'" onmouseout="this.style.backgroundColor='#fff';">
<td> </td>
<td> </td>
<td> </td>
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<td> </td>
</tr></table>