### 返回值:jQuerydelay(duration,*[queueName]*)
### 概述
設置一個延時來推遲執行隊列中之后的項目。
jQuery 1.4新增。用于將隊列中的函數延時執行。他既可以推遲動畫隊列的執行，也可以用于自定義隊列。
### 參數
#### **duration,[queueName]**Integer,String*V1.4*
**duration**:延時時間，單位：毫秒
**queueName**:隊列名詞，默認是Fx，動畫隊列。
### 示例
#### 描述:
在.slideUp() 和 .fadeIn()之間延時800毫秒。
##### HTML 代碼:
~~~
<div id="foo /">
~~~
##### jQuery 代碼:
~~~
$('#foo').slideUp(300).delay(800).fadeIn(400);
~~~
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