SOURCE

function writeDocument(variable) {
    document.write(variable + "<br/>");
} 
writeDocument("定义一个事件对象--------------");
var oToday =new Date();
writeDocument(oToday+"<br/>");

writeDocument("获取时间对象的年，月，日，时，分，秒--------");
writeDocument("年："+oToday.getFullYear());
writeDocument("月："+oToday.getMonth());
writeDocument("日："+oToday.getDate());
writeDocument("时："+oToday.getHours());
writeDocument("分："+oToday.getMinutes());
writeDocument("秒："+oToday.getSeconds()+"<br/>");

writeDocument("设置时间对象的年，月，日，时，分，秒--------");
var oMyBirthday=new Date();
oMyBirthday.setFullYear(2019,6,1);
oMyBirthday.setHours(15,59,59,99);
writeDocument(oMyBirthday+"<br/>");

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()]+"<br/>");

writeDocument("请你打印‘当前时间----------");

var otoday=new Date();
writeDocument(otoday);
writeDocument("年："+otoday.getFullYear());
var myMonth = otoday.getMonth() + 1;
writeDocument("月："+myMonth);
writeDocument("日："+otoday.getDate());
writeDocument("时："+otoday.getHours());
writeDocument("分："+otoday.getMinutes());
writeDocument("秒："+otoday.getSeconds());
writeDocument("今天是："+otoday.getFullYear()+"年"+myMonth+"月"+
otoday.getDate()+"日"+week[oToday.getDay()]+otoday.getHours()
+":"+otoday.getMinutes()+"<br/>");
writeDocument("打印2019年6月1日 星期六 15:59:59:99----------");
var tMyBirthday=new Date();
tMyBirthday.setFullYear(2019);
tMyBirthday.setMonth(6);
tMyBirthday.setDate(1);
tMyBirthday.setHours(15);
tMyBirthday.setMinutes(59);
tMyBirthday.setSeconds(59,99);
writeDocument(tMyBirthday+"<br/>");