JavaScript DOM中删除元素

<div id="div1">
<p id="p1">This is a paragraph.</p>
<p id="p2">This is another paragraph.</p>
</div>

<script>
var parent=document.getElementById("div1");
var child=document.getElementById("p1");
parent.removeChild(child);

</script>

var child=document.getElementById("p1");
var para=child.parentNode();
parent.removeChild(child);