datetime format js code example

Example 1: javascript convert date to yyyy-mm-dd

// `date` is a `Date` object
const formatYmd = date => date.toISOString().slice(0, 10);

// Example
formatYmd(new Date());      // 2020-05-06

Example 2: javascript format date time

function formatDate(date) {
    var hours = date.getHours();
    var minutes = date.getMinutes();
    var ampm = hours >= 12 ? "PM" : "AM";
    hours = hours % 12;
    hours = hours ? hours : 12; // the hour "0" should be "12"
    minutes = minutes < 10 ? "0" + minutes : minutes;
    var strTime = hours + ":" + minutes + " " + ampm;
    return date.getDate() + "/" + new Intl.DateTimeFormat('en', { month: 'short' }).format(date) + "/" + date.getFullYear() + " " + strTime;
}

var d = new Date();
var e = formatDate(d);

console.log(e); // example output: 11/Feb/2021 1:23 PM

Example 3: javascript date format mm/dd/yyyy

var date_format = new Date();

document.write(innerHTML = date_format.getMonth()+'/'+ date_format.getDate()+'/'+date_format.getFullYear());

Example 4: javascript date format

const d = new Date('2010-08-05')
const ye = new Intl.DateTimeFormat('en', { year: 'numeric' }).format(d)
const mo = new Intl.DateTimeFormat('en', { month: 'short' }).format(d)
const da = new Intl.DateTimeFormat('en', { day: '2-digit' }).format(d)

console.log(`${da}-${mo}-${ye}`)

Example 5: Javascript format date / time

var date = new Date('2014-8-20');
console.log((date.getMonth()+1) + '/' + date.getDate() + '/' +  date.getFullYear());

Example 6: js datetime format

new Date().toISOString().slice(0, 16).replace("T", " ")