9 examples of 'javascript date yyyy mm dd' in JavaScript

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40export function yyyymmdd(date) {
41 date = date || new Date()
42 return date.getFullYear() +
43 pad2(date.getMonth() + 1) +
44 pad2(date.getDate())
45}
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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}
8static formatDateYYYYMMDD(date) {
9 return DateFormatter.format(date, "yyyy-MM-dd");
10}
33export function yyyymmddhhmmss(date) {
34 date = date || new Date()
35 return yyyymmdd(date) +
36 pad2(date.getHours()) +
37 pad2(date.getMinutes()) +
38 pad2(date.getSeconds())
39}
12export default function yyyyMMdd(validDate) {
13 let date;
14
15 if (!validDate) {
16 return "";
17 } else if (isyyyyMMdd(validDate)) {
18 date = validDate;
19 } else {
20 date = validDate.toISOString();
21 }
22
23 return date.slice(0, 10);
24}
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}-${date}`;
135}
17function formatDate(d) {
18 function addZero(n) {
19 return n < 10 ? '0' + n : '' + n;
20 }
21
22 return d.getFullYear() + "-" + addZero(d.getMonth()+1)
23 + "-" + addZero(d.getDate()) + " " + addZero(d.getHours())
24 + ":" + addZero(d.getMinutes()) + ":" + addZero(d.getSeconds());
25}
11format (fmt = 'yyyy-MM-dd HH:mm:ss') {
12 const obj = {
13 'y+': this.date.getFullYear(),
14 'M{2}': this._paddingZero(this.date.getMonth() + 1),
15 'd{2}': this._paddingZero(this.date.getDate()),
16 'H{2}': this._paddingZero(this.date.getHours()),
17 'h{2}': this._paddingZero(this.date.getHours() % 12),
18 'm{2}': this._paddingZero(this.date.getMinutes()),
19 's{2}': this._paddingZero(this.date.getSeconds()),
20 'M': this.date.getMonth() + 1,
21 'd': this.date.getDate(),
22 'H': this.date.getHours(),
23 'h': this.date.getHours() % 12,
24 'm': this.date.getMinutes(),
25 's': this.date.getSeconds(),
26 'W': this.date.getDay()
27 }
28 for (let [key, ] of Object.entries(obj)) {
29 const regexp = new RegExp(`(${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}

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