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javascript:date_format

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javascript:date_format [2016/07/07 21:21] – peterjavascript:date_format [2020/07/15 09:30] (current) – external edit 127.0.0.1
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 var dateFormat = function () { var dateFormat = function () {
- var token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g, +  var token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g, 
- timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g, +      timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g, 
- timezoneClip = /[^-+\dA-Z]/g, +      timezoneClip = /[^-+\dA-Z]/g, 
- pad = function (val, len) { +      pad = function (val, len) { 
- val = String(val); +              val = String(val); 
- len = len || 2; +              len = len || 2; 
- while (val.length < len) val = "0" + val; +              while (val.length < len) val = "0" + val; 
- return val; +              return val; 
- };+            };
  
- // Regexes and supporting functions are cached through closure +  // Regexes and supporting functions are cached through closure 
- return function (date, mask, utc) { +  return function (date, mask, utc) { 
- var dF = dateFormat;+    var dF = dateFormat;
  
- // You can't provide utc if you skip other args (use the "UTC:" mask prefix) +    // You can't provide utc if you skip other args (use the "UTC:" mask prefix) 
- if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) { +    if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) { 
- mask = date; +      mask = date; 
- date = undefined; +      date = undefined; 
- }+    }
  
- // Passing date through Date applies Date.parse, if necessary +    // Passing date through Date applies Date.parse, if necessary 
- date = date ? new Date(date) : new Date; +    date = date ? new Date(date) : new Date; 
- if (isNaN(date)) throw SyntaxError("invalid date");+    if (isNaN(date)) throw SyntaxError("invalid date");
  
- mask = String(dF.masks[mask] || mask || dF.masks["default"]);+    mask = String(dF.masks[mask] || mask || dF.masks["default"]);
  
- // Allow setting the utc argument via the mask +    // Allow setting the utc argument via the mask 
- if (mask.slice(0, 4) == "UTC:") { +    if (mask.slice(0, 4) == "UTC:") { 
- mask = mask.slice(4); +      mask = mask.slice(4); 
- utc = true; +      utc = true; 
- }+    }
  
- var _ = utc ? "getUTC" : "get", +    var _ = utc ? "getUTC" : "get", 
- d = date[_ + "Date"](), +        d = date[_ + "Date"](), 
- D = date[_ + "Day"](), +        D = date[_ + "Day"](), 
- m = date[_ + "Month"](), +        m = date[_ + "Month"](), 
- y = date[_ + "FullYear"](), +        y = date[_ + "FullYear"](), 
- H = date[_ + "Hours"](), +        H = date[_ + "Hours"](), 
- M = date[_ + "Minutes"](), +        M = date[_ + "Minutes"](), 
- s = date[_ + "Seconds"](), +        s = date[_ + "Seconds"](), 
- L = date[_ + "Milliseconds"](), +        L = date[_ + "Milliseconds"](), 
- o = utc ? 0 : date.getTimezoneOffset(), +        o = utc ? 0 : date.getTimezoneOffset(), 
- flags = { +        flags = { 
- d:    d, +           d: d, 
- dd:   pad(d), +          dd: pad(d), 
- ddd:  dF.i18n.dayNames[D], +         ddd: dF.i18n.dayNames[D], 
- dddd: dF.i18n.dayNames[D + 7], +        dddd: dF.i18n.dayNames[D + 7], 
- m:    m + 1, +           m: m + 1, 
- mm:   pad(m + 1), +          mm: pad(m + 1), 
- mmm:  dF.i18n.monthNames[m], +         mmm: dF.i18n.monthNames[m], 
- mmmm: dF.i18n.monthNames[m + 12], +        mmmm: dF.i18n.monthNames[m + 12], 
- yy:   String(y).slice(2), +          yy: String(y).slice(2), 
- yyyy: y, +        yyyy: y, 
- h:    H % 12 || 12, +           h: H % 12 || 12, 
- hh:   pad(H % 12 || 12), +          hh: pad(H % 12 || 12), 
- H:    H, +           H: H, 
- HH:   pad(H), +          HH: pad(H), 
- M:    M, +           M: M, 
- MM:   pad(M), +          MM: pad(M), 
- s:    s, +           s: s, 
- ss:   pad(s), +          ss: pad(s), 
- l:    pad(L, 3), +           l: pad(L, 3), 
- L:    pad(L > 99 ? Math.round(L / 10) : L), +           L: pad(L > 99 ? Math.round(L / 10) : L), 
- t:    H < 12 ? "a"  : "p", +           t: H < 12 ? "a"  : "p", 
- tt:   H < 12 ? "am" : "pm", +          tt: H < 12 ? "am" : "pm", 
- T:    H < 12 ? "A"  : "P", +           T: H < 12 ? "A"  : "P", 
- TT:   H < 12 ? "AM" : "PM", +          TT: H < 12 ? "AM" : "PM", 
- Z:    utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""), +           Z: utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""), 
- o:    (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4), +           o: (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4), 
- S:    ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10] +           S: ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10] 
- };+        };
  
- return mask.replace(token, function ($0) { +    return mask.replace(token, function ($0) { 
- return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1); +      return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1); 
- }); +    }); 
- };+  };
 }(); }();
 +
  
 // Some common format strings // Some common format strings
 dateFormat.masks = { dateFormat.masks = {
- "default":      "ddd mmm dd yyyy HH:MM:ss", +  "default":      "ddd mmm dd yyyy HH:MM:ss", 
- shortDate:      "m/d/yy", +  shortDate:      "m/d/yy", 
- mediumDate:     "mmm d, yyyy", +  mediumDate:     "mmm d, yyyy", 
- longDate:       "mmmm d, yyyy", +  longDate:       "mmmm d, yyyy", 
- fullDate:       "dddd, mmmm d, yyyy", +  fullDate:       "dddd, mmmm d, yyyy", 
- shortTime:      "h:MM TT", +  shortTime:      "h:MM TT", 
- mediumTime:     "h:MM:ss TT", +  mediumTime:     "h:MM:ss TT", 
- longTime:       "h:MM:ss TT Z", +  longTime:       "h:MM:ss TT Z", 
- isoDate:        "yyyy-mm-dd", +  isoDate:        "yyyy-mm-dd", 
- isoTime:        "HH:MM:ss", +  isoTime:        "HH:MM:ss", 
- isoDateTime:    "yyyy-mm-dd'T'HH:MM:ss", +  isoDateTime:    "yyyy-mm-dd'T'HH:MM:ss", 
- isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"+  isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
 }; };
 +
  
 // Internationalization strings // Internationalization strings
 dateFormat.i18n = { dateFormat.i18n = {
- dayNames: [ +  dayNames: [ 
- "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", +    "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", 
- "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" +    "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" 
- ], +  ], 
- monthNames: [ +  monthNames: [ 
- "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", +    "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", 
- "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" +    "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" 
- ]+  ]
 }; };
 +
  
 // For convenience... // For convenience...
 Date.prototype.format = function (mask, utc) { Date.prototype.format = function (mask, utc) {
- return dateFormat(this, mask, utc);+  return dateFormat(this, mask, utc);
 }; };
 </code> </code>
  
 +Note that the day and month names can be changed (for internationalization or other purposes) by updating the **dateFormat.i18n** object. 
javascript/date_format.1467926481.txt.gz · Last modified: 2020/07/15 09:30 (external edit)
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