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<html>
<head>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
if($.browser.msie){
var abc = document.getElementsByTagName("abc");
var s = (abc[0].parentNode.innerHTML);
alert(s);
}else{
var len = $("abc").html();
alert(len);
}
});
</script>
</head>
<body>
<abc>123</abc>
</body>
</html>
<!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>demo</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
alert($("abc").length);
})
</script>
</head>
<body>
<abc>1111</abc>
<abc>1111</abc>
<abc>1111</abc>
</body>
</html>
<!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 abc = document.getElementsByTagName('abc');
for(var i = 0; i < abc.length; i ++) alert(abc[i].innerHTML);
}
</script>
</head>
<body>
<abc>111</abc>
<abc>222</abc>
</body>
</html>