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1.?jquery的$.delay()方法

设置一个延时来推迟执行队列中之后的项目。这个方法不能取代JS原生的setTimeout。

The?.delay()?method?is?best?for?delaying?between?queued?jQuery?effects.?Because?it?is?limited—it?doesn't,?for?example,?offer?a?way?to?cancel?the?delay—.delay()?is?not?a?replacement?for?JavaScript's?native?setTimeout?function,?which?may?be?more?appropriate?for?certain?use?cases.

例子：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);

2. 通过循环<