如何确定周六和周日的数字是在java脚本中的两个日期之间 [英] How to determine number Saturdays and Sundays comes between two dates in java script

问题描述

我有以下要求
我有两个日期我需要找到星期六和星期日之间会有多少

b $ b Date1：​​02/06/2011

Date2：02/07/2011

10天是周末

谢谢
Srini

I have requirement as follows I have two dates i need to find how may saturdays and sundays will come in between
Date1: 02/06/2011
Date2: 02/07/2011
10 days are weekends
Thanks Srini

推荐答案

没有循环的O（1）解决方案：

O(1) solution with no loops:

function countWeekendDays( d0, d1 )
{
  var ndays = 1 + Math.round((d1.getTime()-d0.getTime())/(24*3600*1000));
  var nsaturdays = Math.floor( (d0.getDay()+ndays) / 7 );
  return 2*nsaturdays + (d0.getDay()==0) - (d1.getDay()==6);
}

jsFiddle

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