问题描述
使用JavaScript写的倒计时，使用setInterval调用对象自身方法报 Maximum call stack size exceeded问题<!doctype html><html><head><meta charset='utf-8'/><title>Title</title><script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script></head><body><div id='m1'><span><b>0</b><b>0</b></span> <span><b>0</b><b>0</b></span> <span><b>0</b><b>0</b></span></div><div id='m2'><span><b>0</b><b>0</b></span> <span><b>0</b><b>0</b></span> <span><b>0</b><b>0</b></span></div><script>function CounterDown(id,endtime){this.id=id;this.endtime=new Date(endtime).getTime();this._countTime();}CounterDown.prototype={_countTime:function(){var timmer;var now =new Date().getTime(); now = now+1000;var teamTimeId = this.id,endtime = this.endtime,lasttime = (parseInt(endtime)-parseInt(now)) / 1000,days = Math.floor(lasttime / (24 * 3600)),lastSec = (lasttime - days * 24 * 3600),hours = Math.floor(lastSec/3600),minutes = Math.floor((lastSec - hours * 3600)/60),seconds = Math.floor(lastSec - (hours * 3600) - (minutes * 60));if(lasttime <= 0){clearInterval(timmer);$('#'+teamTimeId).html("<span><b>0</b><b>0</b></span>天<span><b>0</b><b>0</b></span>时<span><b>0</b><b>0</b></span>分<span><b>0</b><b>0</b></span>秒");}else{day_0=parseInt(days/10);day_1=parseInt(days%10);hours_0=parseInt(hours/10);hours_1=parseInt(hours%10);minutes_0=parseInt(minutes/10);minutes_1=parseInt(minutes%10);seconds_0=parseInt(seconds/10);seconds_1=parseInt(seconds%10);var timerhtml = "";timerhtml += "<span><b>" + day_0+"</b><b>"+day_1 + "</b></span>天";timerhtml += "<span><b>" + hours_0+"</b><b>"+hours_1 + "</b></span>时";timerhtml += "<span><b>" + minutes_0+"</b><b>"+minutes_1 + "</b></span>分";timerhtml += "<span><b>" + seconds_0+"</b><b>"+seconds_1 + "</b></span>秒";$('#'+teamTimeId).html(timerhtml);}timmer=setInterval(this._countTime,1000);}};new CounterDown('m1',"2014/01/01 10:10:10");</script></body></html>在浏览器控制台报如下错误：请JavaScript高手看看是怎么回事，要怎么解决才好，谢谢！
解决方案
<!doctype html><html><head><meta charset='utf-8'/><title>Title</title><script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script></head><body><div id='m1'><span><b>0</b><b>0</b></span> <span><b>0</b><b>0</b></span> <span><b>0</b><b>0</b></span></div><div id='m2'><span><b>0</b><b>0</b></span> <span><b>0</b><b>0</b></span> <span><b>0</b><b>0</b></span></div><script>function CounterDown(id,endtime){this.id=id;this.endtime=new Date(endtime).getTime();this._countTime();}CounterDown.prototype={_countTime:function(){var timmer;var now =new Date().getTime(); //now = now+1000;var teamTimeId = this.id,endtime = this.endtime,lasttime = (parseInt(endtime)-parseInt(now)) / 1000,days = Math.floor(lasttime / (24 * 3600)),lastSec = (lasttime - days * 24 * 3600),hours = Math.floor(lastSec/3600),minutes = Math.floor((lastSec - hours * 3600)/60),seconds = Math.floor(lastSec - (hours * 3600) - (minutes * 60));if(lasttime <= 0){clearTimeout(timmer);$('#'+teamTimeId).html("<span><b>0</b><b>0</b></span>天<span><b>0</b><b>0</b></span>时<span><b>0</b><b>0</b></span>分<span><b>0</b><b>0</b></span>秒");}else{day_0=parseInt(days/10);day_1=parseInt(days%10);hours_0=parseInt(hours/10);hours_1=parseInt(hours%10);minutes_0=parseInt(minutes/10);minutes_1=parseInt(minutes%10);seconds_0=parseInt(seconds/10);seconds_1=parseInt(seconds%10);var timerhtml = "";timerhtml += "<span><b>" + day_0+"</b><b>"+day_1 + "</b></span>天";timerhtml += "<span><b>" + hours_0+"</b><b>"+hours_1 + "</b></span>时";timerhtml += "<span><b>" + minutes_0+"</b><b>"+minutes_1 + "</b></span>分";timerhtml += "<span><b>" + seconds_0+"</b><b>"+seconds_1 + "</b></span>秒";$('#'+teamTimeId).html(timerhtml);}var that = this;var timmer = setTimeout(function() { that._countTime();}, 500);}};new CounterDown('m1',"2014/01/01 10:10:10");</script></body></html>
解决方案二：
死循环了 最后一个地使用如下代码解决死循环setTimeout(function() { timmer=setInterval(this._countTime,1000); }, 0)