Date format ES6

dateES6.js

let date = new Date('2018-06-20T15:03:22.297024');

let options = {
  weekday: 'short',
  year: 'numeric',
  month: 'short',
  day: 'numeric'
};
console.log(
  date.toLocaleDateString('es-MX', options),
  'a las',
  date.toLocaleTimeString()
);

// With function

const DateFormat = today => {
  return (today = new Date().toLocaleDateString('es-MX', options));
};

const TimeFormat = time => {
  return (time = new Date().toLocaleTimeString());
};

console.log(
  DateFormat('2018-06-20T15:03:22.297024'),
  'a las',
  TimeFormat('2018-06-20T15:03:22.297024')
);


// In one function 

  function dateTimeFormat(params) {
    date = new Date(params).toLocaleDateString('es-MX', {
      weekday: 'short',
      year: 'numeric',
      month: 'short',
      day: 'numeric'
    })
    time = new Date(params).toLocaleTimeString()
    return `${date}, ${time}`
  }