Avec new Date()
let today = new Date()
// 2020-12-22T08:26:17.725Z
today.toLocaleString()
// ’22/12/2020 à 09:26:17′
today.toUTCString()
// ‘Tue, 22 Dec 2020 08:26:17 GMT’
Timestamp
let timestamp = Date.now()
// 1608626048418
let timestampToDate = new Date(timestamp)
// 2020-12-22T08:34:08.418Z
let aDate = "Tue, 22 December 2020 09:40:00 +0000";
let aDateToNewDate = new Date(aDate)
// 2020-12-22T09:40:00.000ZaDateToNewDate.getTime()
// 1608630000000new Date(1608630000000)
// 2020-12-22T09:40:00.000Z