### 返回值:jQuerydelay(duration,*[queueName]*)
### 概述
设置一个延时来推迟执行队列中之后的项目。
jQuery 1.4新增。用于将队列中的函数延时执行。他既可以推迟动画队列的执行，也可以用于自定义队列。
### 参数
#### **duration,[queueName]**Integer,String*V1.4*
**duration**:延时时间，单位：毫秒
**queueName**:队列名词，默认是Fx，动画队列。
### 示例
#### 描述:
在.slideUp() 和 .fadeIn()之间延时800毫秒。
##### HTML 代码:
~~~
<div id="foo /">
~~~
##### jQuery 代码:
~~~
$('#foo').slideUp(300).delay(800).fadeIn(400);
~~~
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