Kookjs 倒计时

[qizhicong2]

/**
* @function 倒计时器

* @author Kyle
* @belog Kookjs
* @time 2008-12-17
* @version 1.0
*/
/**
*
* @param perMS 间隔时间
* @param timeOut 过期时间
* @param inFn 间隔执行函数
* @param endFn 过期执行函数
*/
function TimerOut(perMS,timeOut,inFn,endFn) {
this.perMS = perMS;
this.timeOut = timeOut;
this.currTime = perMS;
this.interval = false;
this.inFn = inFn;
this.endFn = endFn;

}
TimerOut.prototype.perFn = function() {
this.currTime += this.perMS;
var currTime = this.currTime;
var timeOut = this.timeOut;
if (currTime > timeOut) {
window.clearInterval(this.interval);
this.endFn();
} else {
this.inFn(currTime);
}
};
TimerOut.prototype.start = function() {
var thisp = this;
this.interval = window.setInterval(function() {
thisp.perFn();
}, this.perMS);
};
//测试

//测试
var timer = new TimerOut(1000, 3000, function() {
alert(1)
}, function() {
alert('end');
});
timer.start();

原始文章请看这里(http://www.diybl.com/course/4_webprogram/asp.net/netjs/20090318/163153.html)