<input type="text" id="txtDao"> <SCRIPT LANGUAGE="JavaScript"> <!-- var t = "2007/03/01 00:00:00"; //终止时间 var dt = new Date(t); function countDown(obj,attr,endTime,updTime){ var cd = this; this.target = obj; this.attr = attr; this.endTime = endTime; this.updateTime = updTime; this.timer = null; function update(){ var now = (new Date()).valueOf(); var end = cd.endTime.valueOf(); var sub = end - now; if(sub <= 0){ cd.target.setAttribute(cd.attr,"已经超过了终止时间!") ; window.clearInterval(cd.timer); return;} var days = parseInt(sub / (1000*60*60*24),10); var hours = parseInt( (sub % (1000*60*60*24))/(1000*60*60),10); var minutes = parseInt( (sub % (1000*60*60))/(1000*60),10); var seconds = parseInt( (sub % (1000*60))/(1000),10); var str = days + "天" + hours + "小时" + minutes + "分" + seconds + "秒"; cd.target.setAttribute(cd.attr,str); } this.timer = window.setInterval(update,updTime); }countDown(document.getElementById("txtDao"),"value",dt,1000) //--> </SCRIPT>
<input type="text" id="txtDao"> <SCRIPT LANGUAGE="JavaScript"> <!-- var t = "2007/06/01 00:00:00"; //终止时间 var dt = new Date(t); function countDown(obj,attr,endTime,updTime){ var cd = this; this.timer = null; var sub = endTime.valueOf() - (new Date()).valueOf(); var days = parseInt(sub / (86400000),10); var hours = parseInt( (sub % (86400000))/(3600000),10); var minutes = parseInt( (sub % (3600000))/(60000),10); var seconds = parseInt( (sub % (60000))/(1000),10); function update(){ obj.value = days + "天" + hours + "小时" + minutes + "分" + seconds + "秒"; if(seconds > 0) seconds--; else { if(minutes > 0){ minutes--; seconds=59;} else{ if(hours > 0){ hours--; minutes=59; seconds=59;} else{ if(days > 0){ days--; hours=23; minutes=59; seconds=59;} else{ window.clearInterval(cd.timer); } } } } } if(sub <= 0) obj.setAttribute(attr,"已经超过了终止时间!") ; else this.timer = window.setInterval(update,updTime); }countDown(document.getElementById("txtDao"),"value",dt,1000) //--> </SCRIPT>这个应该快多了
<SCRIPT LANGUAGE="JavaScript">
<!--
var t = "2007/03/01 00:00:00"; //终止时间
var dt = new Date(t);
function countDown(obj,attr,endTime,updTime){
var cd = this;
this.target = obj;
this.attr = attr;
this.endTime = endTime;
this.updateTime = updTime;
this.timer = null;
function update(){
var now = (new Date()).valueOf();
var end = cd.endTime.valueOf();
var sub = end - now;
if(sub <= 0){ cd.target.setAttribute(cd.attr,"已经超过了终止时间!") ; window.clearInterval(cd.timer); return;}
var days = parseInt(sub / (1000*60*60*24),10);
var hours = parseInt( (sub % (1000*60*60*24))/(1000*60*60),10);
var minutes = parseInt( (sub % (1000*60*60))/(1000*60),10);
var seconds = parseInt( (sub % (1000*60))/(1000),10);
var str = days + "天" + hours + "小时" + minutes + "分" + seconds + "秒";
cd.target.setAttribute(cd.attr,str);
}
this.timer = window.setInterval(update,updTime);
}countDown(document.getElementById("txtDao"),"value",dt,1000)
//-->
</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
<!--
var t = "2007/06/01 00:00:00"; //终止时间
var dt = new Date(t);
function countDown(obj,attr,endTime,updTime){
var cd = this;
this.timer = null; var sub = endTime.valueOf() - (new Date()).valueOf();
var days = parseInt(sub / (86400000),10);
var hours = parseInt( (sub % (86400000))/(3600000),10);
var minutes = parseInt( (sub % (3600000))/(60000),10);
var seconds = parseInt( (sub % (60000))/(1000),10); function update(){
obj.value = days + "天" + hours + "小时" + minutes + "分" + seconds + "秒";
if(seconds > 0) seconds--;
else {
if(minutes > 0){ minutes--; seconds=59;}
else{
if(hours > 0){ hours--; minutes=59; seconds=59;}
else{
if(days > 0){ days--; hours=23; minutes=59; seconds=59;}
else{
window.clearInterval(cd.timer);
}
}
}
}
}
if(sub <= 0)
obj.setAttribute(attr,"已经超过了终止时间!") ;
else
this.timer = window.setInterval(update,updTime);
}countDown(document.getElementById("txtDao"),"value",dt,1000)
//-->
</SCRIPT>这个应该快多了