javascript 操作 div <h3>标记

Question

<script type="text/javascript" src="http://code.jquery.com/jquery-latest.pack.js"></script>
<script type="text/javascript" language="JavaScript">
$(document).ready(function(){
$(".testdiv/h3").html('就是改变你');
});
</script>
<div class="testdiv">
   <h3 id="testh3">
      如何改变我
   </h3>
</div>

Answer 1

<div class="testdiv">
<h3 id="testh3">
如何改变我
</h3>
</div><SCRIPT LANGUAGE="JavaScript">
<!--
var testh3 = document.getElementById("testh3");
testh3.innerHTML = "这样改变你";
//-->
</SCRIPT>