javascript写的日期怎么输出

var today = new Date();
console.log(today);

Thu Jan 28 2021 11:26:24 GMT+0800 (中国标准时间)

var year = today.getFullYear();
console.log(year);

var month = today.getMonth() + 1;
console.log(month);

var date = today.getDate();
console.log(date);

var day = today.getDay();
console.log(day);

var hours = today.getHours();
console.log(hours);

var minutes = today.getMinutes();
console.log(minutes);

var seconds = today.getSeconds();
console.log(seconds);

var year = today.getFullYear();
var month = today.getMonth() + 1;
var date = today.getDate();
var hours = today.getHours();
var minutes = today.getMinutes();
var seconds = today.getSeconds();

var formattedDate = year + '-' + month + '-' + date + ' ' + hours + ':' + minutes + ':' + seconds;
console.log(formattedDate);

2021-1-28 11:32:47

var milliseconds = today.getMilliseconds();
console.log(milliseconds);

var customDate = new Date(2021, 0, 1, 12, 0, 0, 0);
console.log(customDate);