向匹配的元素集合中添加更多动态创建的元素。

返回值:jQuery

参数:

• html (String): 动态创建元素的HTML代码字符串

示例:

$("p").add("<span>Again</span>")

HTML 代码:

<p>Hello</p>

结果:

[ <p>Hello</p>, <span>Again</span> ]

Adds more elements, created on the fly, to the set of matched elements.

Return value: jQuery
Parameters:

• html (String): A string of HTML to create on the fly.

Example:

 $("p").add("<span>Again</span>")  

 <p>Hello</p>  

 [ <p>Hello</p>, <span>Again</span> ]