JavaScript date format (JS day format) __js

Method One: This is very good, seems to be written by Csdn's Meizz:

An extension to date that converts date to a string/month (M), day (d) in the specified format, hours (h), minutes (M), seconds (s), quarter (q) can be 1-2 placeholders,//year (Y) can be 1-4 placeholders, milliseconds (s) can only be 1 placeholders (1 -3 digits)//Example://(New Date ()). Format ("Yyyy-mm-dd hh:mm:ss. S ") ==> 2006-07-02 08:09:04.423//(New Date ()). Format ("yyyy-m-d h:m:s.s") ==> 2006-7-2 8:9:4.18 Date.prototype.Format = function (FMT) {//author:meizz var o = {"m+" : This.getmonth () +1,//month "d+": this.getdate (),//day "h+": this.gethours (),//Hour "m+": this.getminutes (),//min "s+": th Is.getseconds (),//sec "q+": Math.floor (This.getmonth () +3)/3),//Quarter "S": this.getmilliseconds ()//millisecond}; if (/(y+)/.test (FMT)) Fmt=fmt.replace (Regexp.$1, (this.getfullyear () + ""). substr (4-regexp.$1.length)); For (var k in O) if (new RegExp ("+ K +")). Test (FMT)) FMT = Fmt.replace (regexp.$1, regexp.$1.length==1)? (O[k]): (("+ o[k]"). substr (("" + o[k). length)); return FMT; }

Call Method:

var time1 = new Date (). Format ("Yyyy-mm-dd HH:mm:ss"); var time2 = new Date (). Format ("Yyyy-mm-dd");

Method Two:

<mce:script language= "javascript" type= "Text/javascript" ><!--/** * Extension of date, converting date to a string * month (M) of the specified format, day (d) , 12 hours (h), 24 hours (h), minutes (m), seconds (s), Week (E), quarter (q) can use 1-2 placeholder * year (y) can use 1-4 placeholders, milliseconds (s) can only use 1 placeholders (1-3 digits) * Eg: * (new Date ()). Pat Tern ("Yyyy-mm-dd hh:mm:ss.") S ") ==> 2006-07-02 08:09:04.423 * (New Date ()). Pattern (" Yyyy-mm-dd E HH:mm:ss ") ==> 2009-03-10 II 20:09:04 * (New Dat E ()). Pattern ("Yyyy-mm-dd EE hh:mm:ss") ==> 2009-03-10 Tuesday 08:09:04 * (New Date ()). Pattern ("Yyyy-mm-dd EEE hh:mm:ss") ==& Gt 2009-03-10 Tuesday 08:09:04 * (New Date ()). Pattern ("yyyy-m-d h:m:s.s") ==> 2006-7-2 8:9:4.18/Date.prototype.pattern=fun Ction (FMT) {var o = {"m+": This.getmonth () +1,//month "d+": this.getdate (),//day "h+": this.gethours ()%12 = 0? 12:thi S.gethours ()%12,//hr "h+": this.gethours (),//hr "m+": this.getminutes (),//min "s+": This.getseconds (),//sec "q+": Math . Floor ((This.getmonth () +3)/3),//Quarterly "S": this.getmilliseconds ()//millisecond}; var week = {"0": "/u65e5", "1": "/u4e00", "2":"/u4e8c "," 3 ":"/u4e09 "," 4 ":"/u56db "," 5 ":"/u4e94 "," 6 ":"/U516D "}; if (/(y+)/.test (FMT)) {Fmt=fmt.replace (regexp.$1 (this.getfullyear () + ""). substr (4-regexp.$1.length));} if (/(e+)/. Test (FMT)) {Fmt=fmt.replace (regexp.$1, (regexp.$1.length>1)? (regexp.$1.length>2?) "/u661f/u671f": "/u5468"): "") +week[this.getday () + ""]); For (var k in O) {if (New RegExp ("+ K +")). Test (FMT)) {FMT = Fmt.replace (regexp.$1, regexp.$1.length==1)? (O[k]): (("+ o[k]"). substr (("" + o[k). length));} return FMT; var date = new Date (); Window.alert (Date.pattern ("Yyyy-mm-dd hh:mm:ss")); --></mce:script>

Method Three:

Date.prototype.format = function (mask) {var d = this; var zeroize = function (value, length) {if (!length) length = 2; v Alue = String (value); for (var i = 0, zeros = '; i < (length-value.length); i++) {zeros + = ' 0 ';} return zeros + value; }; return Mask.replace (/"[^"]* "|") [^ ']* ' |/b (?:d {1,4}|m{1,4}|yy (?: yy)? | ([HHMSTT])/1?| [Llz]) /b/g, function ($) {switch ($) {case ' d ': return D.getdate (); case ' DD ': Return Zeroize (D.getdate ()); case ' DDD ': return [' Sun ', ' Mon ', ' Tue ', ' Wed ', ' Thr ', ' Fri ', ' Sat '] [D.getday ()]; Case ' dddd ': return [' Sunday ', ' Monday ', ' Tuesday ', ' Wednesday ', ' Thursday ', ' Friday ', ' Saturday '][d.getday ()]; Case ' M ': Return D.getmonth () + 1; Case ' MM ': Return Zeroize (D.getmonth () + 1); Case ' MMM ': return [' Out of the window ', ' Feb ', ' Mar ', ' Apr ', ' may ', ' June ', ' o ', ' Aug ', ' Sep ', ' Oct ', ' Nov ', ' Dec '][d.getmonth ()]; Case ' MMMM ': return [' January ', ' February ', ' March ', ' April ', ' may ', ' June ', ' July ', ' August ', ' September ', ' October ', ' November ', ' December '][d.getmonth ()]; Case ' yy ': Return String (D.getfullyear ()). substr (2); Case ' yyyy ': return D.getfullyear (); Case ' H ': return d.gethours ()% 12 | | 12; Case ' hh ': Return Zeroize (d.gethours ()% 12 | | 12); Case ' H ': return d.gethours (); Case ' HH ': Return Zeroize (D.gethours ()); Case ' m ': return D.getminutes (); Case ' mm ': Return Zeroize (D.getminutes ()); Case ' s ': return D.getseconds (); Case ' SS ': Return Zeroize (D.getseconds ()); Case ' l ': Return Zeroize (D.getmilliseconds (), 3); Case ' L ': var m = d.getmilliseconds (); if (M >) m = Math.Round (M/10); Return Zeroize (m); Case ' TT ': Return d.gethours () < 12? ' Am ': ' PM '; Case ' TT ': Return d.gethours () < 12? ' AM ': ' PM '; Case ' Z ': Return d.toutcstring (). Match (/[a-z]+$/); Return quoted strings with the surrounding quotes removed Default:return $0.substr (1, $0.length-2); } }); };