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

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8static formatDateYYYYMMDD(date) {
9 return DateFormatter.format(date, "yyyy-MM-dd");
10}
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64function dateToYYYYMMDD (date) {
65 if (date instanceof Date) {
66 return [
67 date.getFullYear(),
68 String(date.getMonth() + 1).padStart(2, 0),
69 String(date.getDate()).padStart(2, 0),
70 ].join("");
71 }
72
73 // TODO: better checking here?
74
75 return date;
76}
40export function yyyymmdd(date) {
41 date = date || new Date()
42 return date.getFullYear() +
43 pad2(date.getMonth() + 1) +
44 pad2(date.getDate())
45}
11format (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}
180export 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.$1.length === 1 ? n : ('00' + n).substr(('' + n).length)
202 )
203 }
204 }
205 return format
206}
129function dateFormat(d) {
130 let month = d.getMonth() + 1;
131 let date = d.getDate();
132 if (month < 10) month = `0${month}`;
133 if (date < 10) date = `0${date}`;
134 return `${d.getFullYear()}-${month}-${date}`;
135}
11function 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.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
21 }
22
23 return fmt;
24}
486formatDate(d) {
487 const calendar = this;
488 const date = new Date(d);
489 const year = date.getFullYear();
490 const month = date.getMonth();
491 const month1 = month + 1;
492 const day = date.getDate();
493 const weekDay = date.getDay();
494 const { monthNames, monthNamesShort, dayNames, dayNamesShort } = calendar;
495 const { dateFormat, locale } = calendar.params;
496 if (typeof dateFormat === 'string') {
497 return dateFormat
498 .replace(/yyyy/g, year)
499 .replace(/yy/g, String(year).substring(2))
500 .replace(/mm/g, month1 < 10 ? `0${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}
5var 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};
17function formatDate(value) {
18 return value ? Ext.Date.dateFormat(value, 'M d, Y') : '';
19}

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