<!DOCTYPE html>
<html>
<head>
<style>
b, span, p, html body {
padding: .5em;
border: 1px solid;
}
b { color:blue; }
strong { color:red; }
</style>
<script type="text/javascript" src="/js/jquery.js"></script>
</head>
<body>
<div>
<p>
<span>
<b>我的父元素是：</b>
</span>
</p>
</div>
<script>
var parentEls = $("b").parents()
.map(function () {
return this.tagName;
})
.get().join(", ");
$("b").append("<strong>" + parentEls + "</strong>");
</script>
</body>
</html>