[TOC] ## .clone() 创建一个匹配的元素集合的深度拷贝副本 ### 示例 ``` <div class="inner">Hello</div> <div class="div1"></div> <script> $('.inner').clone().appendTo('.div1'); /** * <div class="inner">Hello</div> * <div class="div1"><div class="inner">Hello</div></div> */ </script> ```