js获取元素的属性值
<!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>
<title>获取元素属性</title>
</head>
<body>
<div id="roboth"></div>
<div id="test"></div>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>获取元素属性</title>
</head>
<body>
<div id="roboth"></div>
<div id="test"></div>
<script type="text/javascript">
<!--获取属性-->
var div=document.getElementById("roboth");
alert(div.attributes.getNamedItem("id").nodeValue);
alert(div.attributes.item(0).nodeValue);
alert(div.getAttributeNode("id").nodeValue);
alert(div.getAttribute("id"));
<!--添加属性-->
document.getElementById("test").attachEvent("onclick",func);
</script>
</body>
</html>
</body>
</html>
