获取当前时间日期并格式化--JS

/**
 *获取当前时间日期并格式化
 */
function getNowDate(){
        var mydate=new Date();
        var myweekday=mydate.getDay();
	var mymonth=mydate.getMonth()+1;
	var myday= mydate.getDate();
	var year= mydate.getFullYear();
	if(myweekday == 0)
	      weekday=" 星期日 ";
	else if(myweekday == 1)
	      weekday=" 星期一 ";
	else if(myweekday == 2)
	      weekday=" 星期二 ";
	else if(myweekday == 3)
	      weekday=" 星期三 ";
	else if(myweekday == 4)
	      weekday=" 星期四 ";
	else if(myweekday == 5)
	      weekday=" 星期五 ";
	else if(myweekday == 6)
	      weekday=" 星期六 ";
        var date = year+"年"+mymonth+"月"+myday+"日 "+weekday;
	$("#nowDate").text(date);
}