JS计算两个日期相差几天

function Computation(sDate1, sDate2){
var aDate, oDate1, oDate2, iDays
aDate = sDate1.split("-")
oDate1 = new Date(aDate[2] + '-' + aDate[1] + '-' + aDate[0])
aDate = sDate2.split("-")
oDate2 = new Date(aDate[2] + '-' + aDate[1] + '-' + aDate[0])
iDays = parseInt(Math.abs(oDate1 - oDate2) / 1000 / 60 / 60 /24)
return iDays
}