setInterval() 方法使用例子
<html><body><input type="text" id="clock" size="35" /><script language=javascript>var int=self.setInterval("clock()",50)function clock() { var t=new Date() document.getElementById("clock").value=t }</script></form><button onclick="int=window.clearInterval(int)">Stop interval</button></body></html>
?http://ini.iteye.com
