SOURCE

function writeDocument(variable) {
document.write(variable + "<br/>");
} 

writeDocument("定义一个时间对象:");
var oToday=new Date();
writeDocument(oToday);

writeDocument("获取时间对象：年、月、日、时、分、秒:");
writeDocument("年："+oToday.getFullYear());
writeDocument("月："+(+oToday.getMonth()+1));
writeDocument("日："+oToday.getDate());
writeDocument("时："+oToday.getHours());
writeDocument("分："+oToday.getMinutes());
writeDocument("秒："+oToday.getSeconds());

writeDocument("设置时间对象：年、月、日、时、分、秒（2002-9-6 20:04:58.888）:");
var oMybirthday=new Date();
oMybirthday.setFullYear(2002);
oMybirthday.setMonth(9);
oMybirthday.setDate(6);
oMybirthday.setHours(20);
oMybirthday.setMinutes(04);
oMybirthday.setSeconds(58,888);
writeDocument(oMybirthday);

writeDocument("获取星期几:");
writeDocument("今天是星期"+oToday.getDay());

var week=["星期天","星期一","星期二","星期三","星期四","星期五","星期六"];
writeDocument("今天是"+week[oToday.getDay()]);