var reg = /[^\d]/g
var a = new Date(start.replace(reg, "/"))
var b = new Date(end.replace(reg, "/"))
var result = {}
for( a.getTime() <= b.getTime() a.setDate(a.getDate() + 1)) {
null == result[(a.getMonth() + 1) + "月"] ? result[(a.getMonth() + 1) + "月"] = 1 : result[(a.getMonth() + 1) + "月"] += 1
}
return result
}
console.log(doubleFish("2015-07-29", "2015-08-02"))
var time = date2.getTime() - date1.getTime() //日期的long型值之差两个日期相差
Math.floor(time/(24*60*60*1000)) 天