function Calendar()
{ this.WTBL = ["日","月","火","水","木","金","土"];
this.MTBL = [0,31,59,90,120,151,181,212,243,273,304,334];
// 通算日数を計算する関数
this.Days = function(yy,mm,dd)
{ var y= parseInt(yy);
var m= parseInt(mm);
var d= parseInt(dd);
var w= (y-1)*365; //年*365
w+= Math.floor(y/4) - Math.floor(y/100) + Math.floor(y/400) + this.MTBL[m-1] + d;
if (m<3 && this.Uruu(y)) w--;
return(w);
}
// 閏年を調べる関数
this.Uruu = function(y)
{ if (y%400==0) return(true);
if (y%100==0) return(false);
if (y%4==0) return(true);
return(false);
}
// 曜日を調べる関数
this.Week = function(num)
{ var n= (num)%7;
return this.WTBL[n];
}
var date= new Date();
var yy= date.getFullYear();
var mm= date.getMonth()+1;
var dd= date.getDate();
this.num= this.Days(yy,mm,dd);
}
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