js时间比较

function timeCompare(){this.startTime=new Date(2013,1,3,0,0,0);this.endTime=new Date(2013,1,3,23,59,59);}timeCompare.prototype.init=function(){var start=this.startTime.getTime(),end=this.endTime.getTime(),now=new Date().getTime();if(now<start){alert("活动未开始");}else if(now>end){alert("活动已结束");}else{alert("活动进行中")}}var bb=new timeCompare();bb.startTime=new Date(2013,1,1,0,0,0);bb.endTime=new Date(2013,1,2,23,59,59);bb.init();