注意:test.innerHTML与实际内容并不相同<div id="test">
<ul>
<li><a href="a1.htm">a1</a></li>
<li><a href="a2.htm">a2</a></li>
<li><a href="a3.htm">a3</a></li>
</ul>
</div><script>
str = test.innerHTML;
alert(str);var arr = str.match(/<li>.*\s/ig);
alert(arr);
</script>
<ul>
<li><a href="a1.htm">a1</a></li>
<li><a href="a2.htm">a2</a></li>
<li><a href="a3.htm">a3</a></li>
</ul>
</div><script>
str = test.innerHTML;
alert(str);var arr = str.match(/<li>.*\s/ig);
alert(arr);
</script>
<ul>
<li><a href="a1.htm">a1</a></li>
<li><a href="a2.htm">a2</a></li>
<li><a href="a3.htm">a3</a></li>
</ul>
</div><script>
str = test.innerHTML;
alert(str);var arr = str.split(/\s*<\/?li>\s*/gi);
alert(arr);
</script>
<div id="test">
<ul>
<li><a href="a1.htm">a1</a>
<li><a href="a2.htm">a2</a>
<li><a href="a3.htm">a3</a>
</ul>
</div>
<script>
var str= test.innerHTML;
var aa=str.match(/<li>.*/ig);for(var i=0;i<aa.length;i++)
{
var ab=aa[i].match(/<li>(.*)(<\/li>|[\n\r])/i);
if (ab)
{
alert(ab[1]);
}
}
</script>用正则匹配DOM元素不是一个好方法,建议用DOM模型提取<li>内内容
===============================================
var li=test.getElementsByTagName("li");
for(var i=0;i<li.length;i++)
{
alert(li[i].innerHTML);
}