### 返回值:jQueryappend(content|fn)
### 概述
向每个匹配的元素内部追加内容。
这个操作与对指定的元素执行appendChild方法，将它们添加到文档中的情况类似。
### 参数
#### **content**String, Element, jQuery*V1.0*
要追加到目标中的内容
#### **function(index, html)**Function*V1.4*
返回一个HTML字符串，用于追加到每一个匹配元素的里边。接受两个参数，index参数为对象在这个集合中的索引值，html参数为这个对象原先的html值。
### 示例
#### 描述:
向所有段落中追加一些HTML标记。
##### HTML 代码:
~~~
<p>I would like to say: </p>
~~~
##### jQuery 代码:
~~~
$("p").append("<b>Hello</b>");
~~~
##### 结果:
~~~
[ <p>I would like to say: <b>Hello</b></p> ]
~~~
- 速查表
- 核心
- jQuery(selector,[context])
- jQuery(html,[ownerDocument])
- jQuery(callback)
- jQuery.holdReady(hold)
- each(callback)
- size()
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- selector
- context
- get([index])
- index([selector|element])
- data([key],[value])
- removeData([name|list])
- jQuery.data(element,[key],[value])
- queue(element,[queueName])
- dequeue([queueName])
- clearQueue([queueName])
- jQuery.noConflict([extreme])
- 选择器
- #id
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- prevUntil([exp|ele][,fil])
- siblings([expr])
- add(expr|ele|html|obj[,con])
- andSelf()
- contents()
- end()
- 文档处理
- append(content|fn)
- appendTo(content)
- prepend(content|fn)
- prependTo(content)
- after(content|fn)
- before(content|fn)
- insertAfter(content)
- insertBefore(content)
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- clone([Even[,deepEven]])
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- outerHeight([options])
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- 事件
- ready(fn)
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- 效果
- show([speed,[easing],[fn]])
- hide([speed,[easing],[fn]])
- slideDown([speed],[easing],[fn])
- slideUp([speed,[easing],[fn]])
- slideToggle([speed],[easing],[fn])
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- fadeTo([[speed],opacity,[easing],[fn]])
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- serialize()
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- 工具
- jQuery.support
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- Deferred
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- def.resolve(args)
- def.resolveWith(context,args)
- def.then(doneCal,failCal)
- def.progress([type],[target])
- def.pipe([donFil],[faiFil],[proFil])
- def.always(alwCal,[alwCal])
- def.notify(args)
- def.notifyWith(context,[args])
- def.state()
- Callbacks
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- callbacks.disable()
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- callbacks.fire(arguments)
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- 关于
- 关于jQuery API 文档
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