SOURCE

function writeDocument(variable){
    document.write(variable + "<br/>");
}
    writeDocument("最大值最小值--------");
    writeDocument("最大值:"+Math.max(1,3,9));
    writeDocument("最小值:"+Math.min(1,3,9,99));


    writeDocument("生成随机验证码--------");

    function generateVerifyCode(length){
        var strLetterNumber = "0123456789";
        var code = "";
        for(var i = 0; i< length; ++i){
            var randomNumber = Math.floor(Math.random() * strLetterNumber.length);
            code = code + strLetterNumber.charAt(randomNumber);
        }

        return code;
 }

    writeDocument(generateVerifyCode(4));
    writeDocument(generateVerifyCode(4));
    writeDocument(generateVerifyCode(4));

    writeDocument("生成随机颜色 rgb(255,255,255)--------------")

   function gcolor()

   {

       var r=Math.floor(Math.random()*255);

       var g=Math.floor(Math.random()*255);

       var b=Math.floor(Math.random()*255);

        writeDocument("rgb("+r+","+g+","+b+")");


   }

   gcolor();

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

   writeDocument("获取时间对象的年,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("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'----------------");


writeDocument("今天是"+oToday.getFullYear() +oToday.getMonth()+ week[oToday.getDay()]);


writeDocument("今天是" +[oToday = new Date()]);