function transformTime(timestamp = +new Date()) {
if (timestamp) {
var time = new Date(timestamp);
var y = time.getFullYear();
var M = time.getMonth() + 1;
var d = time.getDate();
var h = time.getHours();
var m = time.getMinutes();
var s = time.getSeconds();
return y + '-' + addZero(M) + '-' + addZero(d) + ' ' + addZero(h) + ':' + addZero(m) + ':' + addZero(s);
} else {
return '';
}
}
function addZero(m) {
return m < 10 ? '0' + m : m;
}
function twoTimeInterval(startTime,endTime) {
let d1 = startTime.replace(/\-/g, "/");
let date1 = new Date(d1);
let d2 = endTime.replace(/\-/g, "/");
let date2 = new Date(d2);
let dateDiff = date2.getTime() - date1.getTime();
let days = Math.floor(dateDiff / (24 * 3600 * 1000)).toString().padStart(2,'0')
let residue1 = dateDiff % (24 * 3600 * 1000);
let hours = Math.floor(residue1 / (3600 * 1000)).toString().padStart(2,'0')
let residue2 = residue1 % (3600 * 1000);
let minutes = Math.floor(residue2 / (60 * 1000)).toString().padStart(2,'0')
let residue3 = residue2 % (60 * 1000);
let seconds = Math.round(residue3 / 1000).toString().padStart(2,'0')
let returnVal =
((hours == 0) ? "" : hours +":") +
((minutes == 0) ? "00:" : minutes+":") +
((seconds == 0) ? "00" : seconds+"");
return returnVal;
}
console.log(twoTimeInterval('1970-01-01 08:00:00', '1970-01-01 08:12:10'))
console