jQuery 结构控制的兄弟节点
- .after() .before()
<div class="container">
<h2>Greetings</h2>
<div class="inner">Hello</div>
<div class="inner">Goodbye</div>
</div>
$('.inner').after('<p>Test</p>');
<div class="container">
<h2>Greetings</h2>
<div class="inner">Hello</div>
<p>Test</p>
<div class="inner">Goodbye</div>
<p>Test</p>
</div>