format datetime in javascript code example

Example 1: format date js

var options = { weekday: 'long', year: 'numeric', month: 'long', day: 'numeric' };
var today  = new Date();

console.log(today.toLocaleDateString("en-US")); // 9/17/2016
console.log(today.toLocaleDateString("en-US", options)); // Saturday, September 17, 2016

 // For custom format use
 date.toLocaleDateString("en-US", { day: 'numeric' })+ "-"+ date.toLocaleDateString("en-US", { month: 'short' })+ "-" + date.toLocaleDateString("en-US", { year: 'numeric' }) // 16-Nov-2019

Example 2: javascript date format

const event = new Date(Date.UTC(2012, 11, 20, 3, 0, 0));

const options = {  year: 'numeric', month: 'short', day: 'numeric' };

console.log(event.toLocaleDateString('de-DE', options));
// expected output: Donnerstag, 20. Dezember 2012

console.log(event.toLocaleDateString('en-US', options));
// US format 


// In case you only want the month
console.log(event.toLocaleDateString(undefined, { month: 'short'}));
console.log(event.toLocaleDateString(undefined, { month: 'long'}));

Example 3: how to format datetime in javascript

const d = new Date.now;
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 4: Format Date Javascript

const dateStr = '2020-06-21T10:15:00Z',
      
      [yyyy,mm,dd,hh,mi] = dateStr.split(/[/:\-T]/)
      
console.log(`${dd}-${mm}-${yyyy} ${hh}:${mi}`)

Example 5: Javascript format date / time

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

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