SOURCE

function writeDocument(variable) {
    document.write(variable + "<br/>");
} 
writeDocument("定义一个时间对象------------------------------");
var oToday = new Date();
 
writeDocument(oToday);
writeDocument("定义一个时间对象------------------------------");
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------------------------------");
var oMyBirthday = new Date();
oMyBirthday.setFullYear(2019);
oMyBirthday.setMonth(5);
oMyBirthday.setDate(1);
oMyBirthday.setHours(11);
oMyBirthday.setMinutes(30);
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()]);

writeDocument("请你打印'今天是2022年3月22日 星期二 8:55 ' ----------------"); 

var oDate = new Date(2019,6,1,15,59,59,99);
writeDocument("今天是" + oDate.getFullYear() + "年");
writeDocument((oDate.getMonth()) + "月");
writeDocument(oDate.getDate() + "日");
writeDocument(oDate.getHours() + "时");
writeDocument(oDate.getMinutes() + "分");
writeDocument(oDate.getSeconds() + "秒");
writeDocument(oDate.getMilliseconds() + "毫秒");