var t =  new Date().toString(); //t =  "Thu Oct 31 2019 11:36:57 GMT+0800 (中国标准时间)"

 var t1 = new Date();

 var data_arry =[];

 var that = new Date();

 data_arry.push(that.constructor());  // Thu Oct 31 2019 11:50:26 GMT+0800 (中国标准时间)"

data_arry.push(that.getDate());  //

data_arry.push(that.getDay());  //

data_arry.push(that.getFullYear()); //

data_arry.push(that.getHours());  //

data_arry.push(that.getMilliseconds()); //

data_arry.push(that.getMinutes()); //

data_arry.push(that.getMonth()); //

data_arry.push(that.getSeconds()); //

data_arry.push(that.getTime());  //

data_arry.push(that.getTimezoneOffset());  //-480

data_arry.push(that.getUTCDate()); //

data_arry.push(that.getUTCDay());

data_arry.push(that.getUTCFullYear());

data_arry.push(that.getUTCHours());

data_arry.push(that.getUTCMilliseconds());

data_arry.push(that.getUTCMinutes());

data_arry.push(that.getUTCMonth());

data_arry.push(that.getUTCSeconds());

data_arry.push(that.getYear());

data_arry.push(that.setDate());

data_arry.push(that.setFullYear());

data_arry.push(that.setHours());

data_arry.push(that.setMilliseconds());

data_arry.push(that.setMinutes());

data_arry.push(that.setMonth());

data_arry.push(that.setSeconds());

data_arry.push(that.setTime());

data_arry.push(that.setUTCDate());

data_arry.push(that.setUTCFullYear());

data_arry.push(that.setUTCHours());

data_arry.push(that.setUTCMilliseconds());

data_arry.push(that.setUTCMinutes());

data_arry.push(that.setUTCMonth());

data_arry.push(that.setUTCSeconds());

data_arry.push(that.setYear());

data_arry.push(that.toDateString());

data_arry.push(that.toGMTString());

//data_arry.push(that.toISOString()); 报错

data_arry.push(that.toJSON());

data_arry.push(that.toLocaleDateString());

data_arry.push(that.toLocaleString());

data_arry.push(that.toLocaleTimeString());

data_arry.push(that.toString());

data_arry.push(that.toTimeString());

data_arry.push(that.toUTCString());

data_arry.push(that.valueOf());

    function get_nowtime() {

            var date = new Date();

            return (date.getFullYear() + '-' + (date.getMonth() + 1) + '-' + date.getDate());

        }

        console.log(get_nowtime());

        function get_nowtime() {

            function format(str) {

                str += "";

                if (str.length < 2) {

                    str = "0" + str;

                }

                return str;

            }

            var date = new Date();

            return (date.getFullYear() + '-' + format((date.getMonth() + 1)) + '-' + format(date.getDate()));

        }

      layui.use('laydate', function () {

            var laydate = layui.laydate;

            laydate.render({

                elem: '#test1'

                 ,format: 'yyyy-MM-dd' //可任意组合,

                , value: new Date(document.getElementById('test1').value) //必须遵循format参数设定的格式

            });

        });