時間大小比較

2022-05-01 15:24:09 字數 1436 閱讀 5799

1.整點時間大小比較 例：08:20:21  和 08:22:23的大小

let z = '20:01:00';


let z1 = '10:00:00';


let date = new date();


console.log(date) //fri jul 17 2020 09:54:52 gmt+0800 (中國標準時間)


let a = z.split(":");


let b = z1.split(":");


console.log(a,b)//["20", "01", "00"] (3) ["10", "00", "00"]


console.log(date.sethours(a[0], a[1]，a[2]),date.sethours(b[0], b[1]),b[2])

2.日期時間大小比較

var startdate1 ='2012-12-30 00:00:00' ;


let start1 = new date(startdate1.replace(/\-/g, "\/"));


var startdate2 ='2012-12-30 13:13:02' ;


let start2 = new date(startdate2.replace(/\-/g, "\/"));


start2 .gettime();// 獲取時間戳 單位毫秒


console.log(start1,start13.當前日期加一天

4.獲取當天

var now = new date();


var year = now.getfullyear(); //得到年份


var month = now.getmonth(); //得到月份


var date = now.getdate(); //得到日期


var day = now.getday(); //得到週幾


var hour = now.gethours(); //得到小時


var minu = now.getminutes(); //得到分鐘


var sec = now.getseconds(); //得到秒


month = month + 1;


if (month < 10) month = "0" + month;


if (date < 10) date = "0" + date;


if (hour < 10) hour = "0" + hour;


if (minu < 10) minu = "0" + minu;


if (sec < 10) sec = "0" + sec;


var time = "";


time = year + "-" + month + "-" + date + " " + hour + ":" + minu + ":" + sec;

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