Nodejs Date Convert toDateFormat(format)

Method Source Code

Date.prototype.toDateFormat = function (format) {
    format = format || "yyyy/mm/dd";
    //  w  w  w . j  av  a  2s  .c  om
    return format.toLowerCase()
        .replace(/yyyy/g, this.getFullYear())
        .replace(/yy/g, this.getYear())
        .replace(/mm/g, this.getMonth2())
        .replace(/m/g, this.getMonth() + 1)
        .replace(/dd/g, this.getDate2())
        .replace(/d/g, this.getDate());
};

Related

1. toAmPm()

   Date.prototype.toAmPm = function () {
       var hours = this.getHours();
       var minutes = this.getMinutes();
       var ampm = hours >= 12 ? 'pm' : 'am';
       hours = hours % 12;
       hours = hours ? hours : 12;
       minutes = minutes < 10 ? '0' + minutes : minutes;
       return hours + ':' + minutes + ampm;
   };
   ...
   

2. toApiDate()

   function twoDigits(d) {
       if(0 <= d && d < 10) return "0" + d.toString();
       if(-10 < d && d < 0) return "-0" + (-1*d).toString();
       return d.toString();
   Date.prototype.toApiDate = function() {
       return this.getUTCFullYear() + "" + twoDigits(1 + this.getUTCMonth()) + "" + twoDigits(this.getUTCDate()); 
   };
   Date.prototype.toTrDate = function() {
   ...
   

3. toCommonCase()

   Date.prototype.toCommonCase=function(){
       var xYear=this.getYear();
       xYear=xYear+1900;
       var xMonth=this.getMonth()+1;
       if(xMonth<10){
           xMonth="0"+xMonth;
       var xDay=this.getDate();
       if(xDay<10){
   ...
   

4. toCustomFormat()

   var prependZero = function(num) {
     return (num < 10)? ("0" + num) : num;
   Date.prototype.toCustomFormat = function() {
     var h = this.getHours(),
         h_12hr = (h % 12),
         hh = prependZero((h_12hr == 0)? 12 : h_12hr),
         mm = prependZero(this.getMinutes()),
         ss = prependZero(this.getSeconds()),
   ...
   

5. toDate()

   Date.prototype.toDate = function(){
     return new Date(this.getFullYear(), this.getMonth(), this.getDate());
   

6. toDateInputValue(()

   Date.prototype.toDateInputValue = (function() {
     var local = new Date(this);
     local.setMinutes(this.getMinutes() - this.getTimezoneOffset())
     return local.toJSON().slice(0,10);
   

7. toDateInputValue(()

   Date.prototype.toDateInputValue = (function() {
     var local = new Date(this);
     local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
     return local.toISOString().substr(0,10);
   });
   

8. toDateInputValue(()

   Date.prototype.toDateInputValue = (function() {
       var local = new Date(this);
       local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
       return local.toJSON().slice(0,10);
   });
   

9. toDateInputValue(()

   Date.prototype.toDateInputValue = (function() {
     var local = new Date(this);
     local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
     return local.toISOString().substr(0,10);
   });