2-05.Date.html

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<head>
  <title>Document</title>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js" integrity="sha512-qTXRIMyZIFb8iQcfjXWCO8+M5Tbc38Qi5WzdPOYZHIlZpzBHG3L3by84BBBOiRGiEb7KKtAOAs5qYdUiZiQNNQ==" crossorigin="anonymous"></script>
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  <script>
    //
    var d = new Date(); //현재 날짜/시간
    console.log(d);


    console.log(moment().format("YYYY-MM-DD"));
    console.log(moment().format("MMM DD, YYYY"));

    console.log(moment().subtract(7, "days").format("YYYY-MM-DD"));
    console.log(moment().add(7, "days").format("YYYY-MM-DD"));
    console.log(moment().add(4, "hours").format("YYYY-MM-DD HH"));
    

   console.log("timezone", d.getTimezoneOffset()); // 분단위
   //-540 = -9시간 * -1

    var year = d.getFullYear();
    var utcYear = d.getUTCFullYear();
    console.log("year", year);

    var month = d.getMonth();
    var utcMonth = d.getUTCMonth();
    console.log("month",month);

    var date = d.getDate();
    console.log("date", date);

    var day = d.getDay();
    console.log("day", day);
    //일요일 - 0
    //월요일 - 1
    //화요일 - 2
    //수요일 - 3


    var hour = d.getHours();
    var minute = d.getMinutes();
    var second = d.getSeconds();

    var d = new Date();

    

    //타임존
    //2021.03.30 12:23:33 => 2021.03.30 03:23:33
    //글제목, 작성자, 작성일 : 2021.03.30 12:23:33
    //2021.03.30 03:24:33

    //

    //









    //Tue Mar 30 2021 13:41:14 GMT+0900

    //month 월인경우는 1월 - 0
    //day 일자인경우는 1 - 1
    var d = new Date(2021,3,27,11,14,23);
    console.log(d);

    //2021-03-21, 2021.03.21
    //월 일 년도 - Mar 21, 2021
    var month_en = ["Jan", "Feb", "Mar"];

    //3월인경우 - 2,
    var mon = 2;
    console.log(month_en[mon]);







  </script>
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