Vanilla JS days of week as an array of objects. (Mon, Tues, Weds) or (Monday, Tuesday, Wednesday) format. Localization support

vanilla-js-days-of-week-array-of-objects.js

const days = Array(7)
  .fill(new Date())
  .map((el, i) =>
    new Date(el.setDate(el.getDate() - el.getDay() + i))
      .toLocaleString('en', { weekday: 'short' })) // change 'en' for different locales, or 'short'/'long' for short/long weekday titles
  .map((label, value) => {
    return {
      value,
      label,
    }
  })
days.push(days.shift()) // Optionally start week on Monday rather than Sunday

console.log(days)

/** @output
[
  {
    "value": 1,
    "label": "Mon"
  },
  {
    "value": 2,
    "label": "Tue"
  },
  {
    "value": 3,
    "label": "Wed"
  },
  {
    "value": 4,
    "label": "Thu"
  },
  {
    "value": 5,
    "label": "Fri"
  },
  {
    "value": 6,
    "label": "Sat"
  },
  {
    "value": 0,
    "label": "Sun"
  }
]
**/