如何确定某年某月1号是星期几

Question

var date = new Date(current_year,parseInt(current_month)-1,1); 
var day = date.getDay(); JS中的月是从0开始的

Answer 1

function getWeekday(year,month)
{
    var thisDate=new Date(year,month-1,1);
    var wd=thisDate.getDay();
    var arrwd=['一','二','三','四','五','六','日'];
    return "星期"+arrwd[wd-1];
}//for example
alert(getWeekday(2008,8));

Answer 2

function getWeekday(year,month) 
{ 
    var thisDate=new Date(year,month-1,1); 
    var wd=thisDate.getDay(); 
    var arrwd=['一','二','三','四','五','六','日']; 
    return "星期"+arrwd[wd-1]; 
} //for example 
alert(getWeekday(2008,8));