时间日期Date类型

时间：2023-03-08 17:40:26
<!DOCTYPE html>

<html lang="zh-CN">

<head>

    <meta charset="UTF-8">

    <title>Document</title>

</head>

<body>

    <script>

        /*push和pop为堆栈后进先出LIFO，unshift和shift为队列先进先出FILO*/

        var colors = ["red", "blue", " _", "yellow"];

        // alert(typeof colors.toString()); //String

        // alert(typeof colors.valueOf()); //Object

        // alert(typeof colors); //Object

        //alert(colors.join("|"));

        // var count = colors.push("black", "green");

        // var item = colors.pop();

        var shift = colors.shift();

        var unshift = colors.unshift("aaa", "bbb");

        //alert(item);

        //alert(colors);

        //alert(shift); //取出第一个red

        // alert(colors);

        /*// var values = [1, 2, 3, 4, 5];

        // alert(values.reverse());

        /*数组中已经存在两个可以直接用来重排序的方法：reverse()和sort()。

            reverse()不能很好对

        */

        function compare(value1, value2){

            if(value1 < value2){

                return -1;

            }else if(value1 > value2){

                return 1;

            }else{

                return 0;

            }

        }

        var values = [3, 4, 1, 5 ,2, -1, -2, -4, 10, 15];

        //values.sort(compare).reverse();

        // alert(values);

        //alert(values.reverse());

        //alert(values);*/

        // var y2k = new Date(Date.UTC(2000, 0));

        // var allFives = new Date(Date.UTC(2005, 4, 5, 17, 55, 55));

        // //var someDate = new Date(Date.parse("May 25, 2015"));

        // alert(y2k);

        // alert(allFives);

        var date = new Date();

        function DateDemo(){   

            var day;

            var x = ["星期日", "星期一", "星期二", "星期三","星期四", "星期五", "星期六"];

            //var d = new Date();

              day = date.getDay();

              return(x[day]);

          }

          function TimeDemo(){

                  var h, m;

                  var t = ["上午", "下午"];

                  h = date.getHours();

                  m = h -12;

                  return m ? t[1] : t[0];

          }

        alert(date.getFullYear() + "-" + (date.getMonth() + 1)

            + "-" + date.getDate() + " " + DateDemo() + " " + TimeDemo()

            + " " +date.getHours() + ":" + date.getMinutes() + ":" + date.getSeconds());

function DateDemo(){   

            var day;

            var x = ["星期日", "星期一", "星期二", "星期三","星期四", "星期五", "星期六"];

            //var d = new Date();

              day = date.getDay();

              return(x[day]);

          }

var date = new Date();

alert(date.toLocaleString());

// alert(date.toString());

// alert(date.toDateString());

// alert(date.toTimeString());

alert(date.toLocaleDateString() + DateDemo() + date.toLocaleTimeString()  );

    </script>

</body>

</html>

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