假设我有以下HTML:
<div id="before">Contents of before div</div>
<div>Between #1</div>
<p>Between #2</p>
<div>Between #3</div>
<div id="after">Contents of after div</div>
如何删除id=before和id=after的div之间的所有内容,结果如下:
<div id="before">Contents of before div</div>
<div id="after">Contents of after div</div>