<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
<div class='test'>
<h2 class="exp-content-head" style="font-size:16px;font-family:'microsoft yahei';">
<img src="/upload/2013/07/30/20130730082315760.jpg" alt="" /><br /></h2>
<h2 class="exp-content-head" style="font-size:16px;font-family:'microsoft yahei';">
步骤/方法
</h2>
<div class="exp-content-body" style="text-align:justify;">
<ol class="exp-conent-orderlist"><li class="exp-content-list list-item-1">
<div class="list-icon" style="font-size:16px;"></div>
</div>
</div>
<script>
var test=$(".test").html();
var s_test=test.match(/<img.*?>/);
alert(s_test);
</script>这段代码在chrome和firefox都可以输出img标签，ie8输出null 最佳答案
