javascript 常用备份
时间:2015-09-11 02:13:00
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<title>JavaScript小时倒计时代码</title> <style> body{font-family:"微软雅黑";font-size:22px;} </style> <SCRIPT LANGUAGE="JavaScript"> <!-- var maxtime = 60*60 //1小时,按秒计算 function CountDown(){ if(maxtime>=0){ minutes = Math.floor(maxtime/60); seconds = Math.floor(maxtime%60); msg = "距离活动结束还有:"+minutes+"分"+seconds+"秒"; document.all["timer"].innerHTML=msg; if(maxtime == 5*60) alert(‘注意,还有5分钟!‘); --maxtime; } else{ clearInterval(timer); alert("时间到,活动已结束!"); } } timer = setInterval("CountDown()",1000); //--> </SCRIPT> <body><div id="timer" style="color:red">倒计时马上开始……</div></body>
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原文:http://gengzg.iteye.com/blog/2242465
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