<img src="http://expert.csdn.net/images/csdn.gif" onclick="a1.innerHTML+=this.outerHTML">
<table border=1>
<tr>
<td id=a1>123</td>
</tr>
</table>
<table border=1>
<tr>
<td id=a1>123</td>
</tr>
</table>
调试欢乐多
<tr>
<td ><img src="http://expert.csdn.net/images/csdn.gif" onclick="a1.innerHTML=this.outerHTML">
</td>
</tr>
<tr>
<td id=a1>
</tr>
</table>
不要了加号
src="http://expert.csdn.net/images/csdn.gif"><br><br>
<table border=1>
<tr>
<td id=a1>gorush</td>
</tr>
</table>
<img border="1" src="样品.jpg" id="img1" onClick="img2.src=img1.src;img2.style.display='block';" width="111" height="83">
<table width="760" border="0" cellspacing="0" cellpadding="0">
<tr>
<td>
<p align="center"><img src="" id="img2" style="display:none;">我自己也来了~~~:)期望更多的答案中
replaceNode 方法是替换节点
this.cloneNode() 是复制,克隆节点,在这里返回的是 <img>这个节点.