10 examples of 'javascript format date mm dd yyyy' in JavaScript

11
format (fmt = 'yyyy-MM-dd HH:mm:ss') {
12
  const obj = {
13
    'y+': this.date.getFullYear(),
14
    'M{2}': this._paddingZero(this.date.getMonth() + 1),
15
    'd{2}': this._paddingZero(this.date.getDate()),
16
    'H{2}': this._paddingZero(this.date.getHours()),
17
    'h{2}': this._paddingZero(this.date.getHours() % 12),
18
    'm{2}': this._paddingZero(this.date.getMinutes()),
19
    's{2}': this._paddingZero(this.date.getSeconds()),
20
    'M': this.date.getMonth() + 1,
21
    'd': this.date.getDate(),
22
    'H': this.date.getHours(),
23
    'h': this.date.getHours() % 12,
24
    'm': this.date.getMinutes(),
25
    's': this.date.getSeconds(),
26
    'W': this.date.getDay()
27
  }
28
  for (let [key, ] of Object.entries(obj)) {
29
    const regexp = new RegExp(`(${key})([^a-zA-Z])?`)
30
    if (regexp.test(fmt)) {
31
      fmt = fmt.replace(RegExp.$1, obj[key])
32
    }
33
  }
34
  return fmt
35
}

129
function dateFormat(d) {
130
  let month = d.getMonth() + 1;
131
  let date = d.getDate();
132
  if (month < 10) month = `0${month}`;
133
  if (date < 10) date = `0${date}`;
134
  return `${d.getFullYear()}-${month}-${date}`;
135
}

8
static formatDateYYYYMMDD(date) {
9
  return DateFormatter.format(date, "yyyy-MM-dd");
10
}

234
function formatDate(date) {
235
    var hours = date.getHours();
236
    var minutes = date.getMinutes();
237
    var ampm = hours >= 12 ? 'pm' : 'am';
238
    hours = hours % 12;
239
    hours = hours ? hours : 12; // the hour '0' should be '12'
240
    minutes = minutes < 10 ? '0'+minutes : minutes;
241
    var strTime = hours + ':' + minutes + ' ' + ampm;
242
    return date.getMonth()+1 + "/" + date.getDate() + "/" + date.getFullYear() + "  " + strTime;
243
}

7
function formatDate (date) {
8
  const monthNames = [
9
    'January', 'February', 'March',
10
    'April', 'May', 'June', 'July',
11
    'August', 'September', 'October',
12
    'November', 'December'
13
  ]
14
15
  let day = date.getDate()
16
  day = day.toString().length > 1 ? day : '0' + day
17
  const monthIndex = date.getMonth()
18
  const year = date.getFullYear()
19
20
  return day + ' ' + monthNames[monthIndex] + ' ' + year + ' — '
21
}

486
formatDate(d) {
487
  const calendar = this;
488
  const date = new Date(d);
489
  const year = date.getFullYear();
490
  const month = date.getMonth();
491
  const month1 = month + 1;
492
  const day = date.getDate();
493
  const weekDay = date.getDay();
494
  const { monthNames, monthNamesShort, dayNames, dayNamesShort } = calendar;
495
  const { dateFormat, locale } = calendar.params;
496
  if (typeof dateFormat === 'string') {
497
    return dateFormat
498
      .replace(/yyyy/g, year)
499
      .replace(/yy/g, String(year).substring(2))
500
      .replace(/mm/g, month1 < 10 ? `0${month1}` : month1)
501
      .replace(/m(\W+)/g, `${month1}$1`)
502
      .replace(/MM/g, monthNames[month])
503
      .replace(/M(\W+)/g, `${monthNamesShort[month]}$1`)
504
      .replace(/dd/g, day < 10 ? `0${day}` : day)
505
      .replace(/d(\W+)/g, `${day}$1`)
506
      .replace(/DD/g, dayNames[weekDay])
507
      .replace(/D(\W+)/g, `${dayNamesShort[weekDay]}$1`);
508
  }
509
  if (typeof dateFormat === 'function') {
510
    return dateFormat(date);
511
  }
512
  // Intl Object
513
  const formatter = new Intl.DateTimeFormat(locale, dateFormat);
514
  return formatter.format(date);
515
}

11
function formatDate(date, fmt) { //author: meizz 
12
    var o = {
13
        "M+": date.getMonth() + 1, //月份 
14
        "d+": date.getDate() //日 
15
    };
16
17
    if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
18
    for (var k in o) {
19
        if (new RegExp("(" + k + ")").test(fmt))
20
            fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
21
    }
22
23
    return fmt;
24
}

180
export function dateFormat(timestamp, format = 'yyyy-MM-dd hh:mm:ss') {
181
  timestamp = timestamp.length === 13 ? timestamp : timestamp * 1000
182
  let date = new Date(timestamp)
183
  let args = {
184
    'M+': date.getMonth() + 1,
185
    'd+': date.getDate(),
186
    'h+': date.getHours(),
187
    'm+': date.getMinutes(),
188
    's+': date.getSeconds()
189
  }
190
  if (/(y+)/.test(format)) {
191
    format = format.replace(
192
      RegExp.$1,
193
      (date.getFullYear() + '').substr(4 - RegExp.$1.length)
194
    )
195
  }
196
  for (var i in args) {
197
    let n = args[i]
198
    if (new RegExp('(' + i + ')').test(format)) {
199
      format = format.replace(
200
        RegExp.$1,
201
        RegExp.$1.length === 1 ? n : ('00' + n).substr(('' + n).length)
202
      )
203
    }
204
  }
205
  return format
206
}

32
function formatDate(date) {
33
    return weekdays[date.getDay()] + ", " +
34
        date.getDate() + nth(date.getDate()) + " " +
35
        months[date.getMonth()] + " " +
36
        date.getFullYear();
37
}

5
var formatDate = function formatDate(date) {
6
  var format = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'yyyy-MM-dd hh:mm:ss';
7
8
  if (!date) return;
9
  var Y = date.getFullYear();
10
  var M = date.getMonth() + 1;
11
  var D = date.getDate();
12
  var h = date.getHours();
13
  var m = date.getMinutes();
14
  var s = date.getSeconds();
15
16
  var rules = {
17
    yyyy: Y,
18
    M: M,
19
    MM: formatNumber(M),
20
    d: D,
21
    dd: formatNumber(D),
22
    h: h,
23
    hh: formatNumber(h),
24
    m: m,
25
    mm: formatNumber(m),
26
    s: s,
27
    ss: formatNumber(s)
28
  };
29
  var arr = format.split(/-| |:|\//);
30
  var formatDate = format;
31
  for (var i = 0; i < arr.length; i++) {
32
    var el = arr[i];
33
    formatDate = formatDate.replace(el, rules[el]);
34
  }
35
  return formatDate;
36
};