function GetDateDiff(startDate,endDate) { var startTime = new Date(Date.parse(startDate.replace(/-/g, "/"))).getTime(); var endTime = new Date(Date.parse(endDate.replace(/-/g, "/"))).getTime(); var dates = Math.abs((startTime - endTime))/(1000*60*60*24); return dates; }原文：http://www.cnblogs.com/zhoumeng780/p/4774846.html