简单说来: setTimeout(Expression,DelayTime),在DelayTime过后,将执行一次Expression setInterval(expression,delayTime),每个DelayTime,都将执行Expression.
常常可用于刷新表达式.
例1,代码如下:
<div id="a"></div>
<div id="b"></div>
<script type="text/javascript">
setTimeout("doc...