electro-music.com wiki | JavaScript / Fix Dates

  function parseISO8601String( dateString) 
  {
    var timebits = 
      /^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2})(?::([0-9]*)(\.[0-9]*)?)?(?:([+-])([0-9]{2})([0-9]{2}))?/;
    var m = timebits.exec( dateString);
    var resultDate;
    if( m) 
    {
      var utcdate = 
        Date.UTC(
          parseInt( m[ 1]),
          parseInt( m[ 2]) - 1,                       // months are zero-offset (!)
          parseInt( m[ 3]),
          parseInt( m[ 4]), parseInt( m[ 5]),         // hh:mm
          ( m[ 6] && parseInt( m[ 6]) || 0),          // optional seconds
          ( m[ 7] && parseFloat( m[ 7]) * 1000) || 0  // optional fraction
        );

      // utcdate is milliseconds since the epoch

      if( m[ 9] && m[ 10]) 
      {
        var offsetMinutes = parseInt(m[9]) * 60 + parseInt( m[ 10]);
        utcdate += ( m[ 8] === '+' ? -1 : +1) * offsetMinutes * 60000;
      }
      resultDate = new Date( utcdate);
    } 
    else 
    {
      resultDate = null;
    }
    return resultDate;
  }


  function fix_digits( num)
  {
    if( num < 10)
      return '0' + num;
    else
      return num;
  }

  function replace_dates()
  { 
    var dates = document.getElementsByClassName( "xldt");
    var stamp;
    var parts;
    var date;
    var time;
    var time_zone;
    var year;
    var month;
    var day;
    var hour;
    var minute;
    var tz;
    var len;
    var dt;
    var dts;
    var tzsign;
    var tzdata;
    var now;

    for( var i = 0; i < dates.length; i++) 
    {
      stamp     = dates[ i].innerHTML;
      parts     = stamp.split( ' ');
      date      = parts[ 0];
      time      = parts[ 1];
      time_zone = parts[ 3]; 
      parts     = date.split( '-');
      year      = parts[ 0];
      month     = parts[ 1];
      day       = parts[ 2];
      parts     = time.split( ':');
      hour      = parts[ 0];
      minute    = parts[ 1];
      tz        = time_zone.substr( 4);
      len       = tz.length;
      tz        = tz.substr( 0, len - 1);
      tzsign    = tz.substr( 0, 1);
      tzdata    = tz.substr( 1, 2);

      if( tzdata.length < 2)
      {
        tzdata = '0' + tzdata;
      }

      tz        = tzsign + tzdata + '00';
      dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;
      dt        = new Date( parseISO8601String( dts));

      year      = dt.getFullYear();
      month     = fix_digits( dt.getMonth() + 1);
      day       = fix_digits( dt.getDate());
      hour      = fix_digits( dt.getHours());
      minute    = fix_digits( dt.getMinutes());
      dt        = year + ' + month + ' + day + ' ' + hour + ':' + minute;

      dates[ i].innerHTML = dt;
    }
  }

Restore

2013-02-28 20:47 [UTC-7] by Blue Hell -

Changed lines 9-10 from:

    var timebits = /^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2})(?::([0-9]*)(\.[0-9]*)?)?(?:([+-])([0-9]{2})([0-9]{2}))?/;

to:

    var timebits = 
      /^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2})(?::([0-9]*)(\.[0-9]*)?)?(?:([+-])([0-9]{2})([0-9]{2}))?/;

Deleted line 97:

   // dt        = new Date( Date.parse( dts));

Restore

2013-02-28 20:42 [UTC-7] by Blue Hell -

Changed line 7 from:

  function fix_digits( num)

to:

  function parseISO8601String( dateString)

Changed lines 9-36 from:

    if( num < 10)
      return '0' + num;
    else
      return num;
  }

  function replace_dates()
  { 
    var dates = document.getElementsByClassName( "xldt");
    var stamp;
    var parts;
    var date;
    var time;
    var time_zone;
    var year;
    var month;
    var day;
    var hour;
    var minute;
    var tz;
    var len;
    var dt;
    var dts;
    var tzsign;
    var tzdata;
    var now;

    for( var i = 0; i < dates.length; i++)

to:

    var timebits = /^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2})(?::([0-9]*)(\.[0-9]*)?)?(?:([+-])([0-9]{2})([0-9]{2}))?/;
    var m = timebits.exec( dateString);
    var resultDate;
    if( m)

Changed lines 14-30 from:

      stamp     = dates[ i].innerHTML;
      parts     = stamp.split( ' ');
      date      = parts[ 0];
      time      = parts[ 1];
      time_zone = parts[ 3]; 
      parts     = date.split( '-');
      year      = parts[ 0];
      month     = parts[ 1];
      day       = parts[ 2];
      parts     = time.split( ':');
      hour      = parts[ 0];
      minute    = parts[ 1];
      tz        = time_zone.substr( 4);
      len       = tz.length;
      tz        = tz.substr( 0, len - 1);
      tzsign    = tz.substr( 0, 1);
      tzdata    = tz.substr( 1, 2);

to:

      var utcdate = 
        Date.UTC(
          parseInt( m[ 1]),
          parseInt( m[ 2]) - 1,                       // months are zero-offset (!)
          parseInt( m[ 3]),
          parseInt( m[ 4]), parseInt( m[ 5]),         // hh:mm
          ( m[ 6] && parseInt( m[ 6]) || 0),          // optional seconds
          ( m[ 7] && parseFloat( m[ 7]) * 1000) || 0  // optional fraction
        );

Changed lines 24-26 from:

      if( tzdata.length < 2)

to:

      // utcdate is milliseconds since the epoch

      if( m[ 9] && m[ 10])

Changed lines 28-29 from:

        tzdata = '0' + tzdata;

to:

        var offsetMinutes = parseInt(m[9]) * 60 + parseInt( m[ 10]);
        utcdate += ( m[ 8] === '+' ? -1 : +1) * offsetMinutes * 60000;

Changed lines 31-44 from:

      tz        = tzsign + tzdata + '00';
      dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;
      dt        = new Date( Date.parse( dts));

      year      = dt.getFullYear();
      month     = fix_digits( dt.getMonth() + 1);
      day       = fix_digits( dt.getDate());
      hour      = fix_digits( dt.getHours());
      minute    = fix_digits( dt.getMinutes());
      dt        = year + ' + month + ' + day + ' ' + hour + ':' + minute;

      dates[ i].innerHTML = dt;
    }

to:

      resultDate = new Date( utcdate);
    } 
    else 
    {
      resultDate = null;
    }
    return resultDate;
  }


  function fix_digits( num)
  {
    if( num < 10)
      return '0' + num;
    else
      return num;
  }

  function replace_dates()
  { 
    var dates = document.getElementsByClassName( "xldt");
    var stamp;
    var parts;
    var date;
    var time;
    var time_zone;
    var year;
    var month;
    var day;
    var hour;
    var minute;
    var tz;
    var len;
    var dt;
    var dts;
    var tzsign;
    var tzdata;
    var now;

    for( var i = 0; i < dates.length; i++) 
    {
      stamp     = dates[ i].innerHTML;
      parts     = stamp.split( ' ');
      date      = parts[ 0];
      time      = parts[ 1];
      time_zone = parts[ 3]; 
      parts     = date.split( '-');
      year      = parts[ 0];
      month     = parts[ 1];
      day       = parts[ 2];
      parts     = time.split( ':');
      hour      = parts[ 0];
      minute    = parts[ 1];
      tz        = time_zone.substr( 4);
      len       = tz.length;
      tz        = tz.substr( 0, len - 1);
      tzsign    = tz.substr( 0, 1);
      tzdata    = tz.substr( 1, 2);

      if( tzdata.length < 2)
      {
        tzdata = '0' + tzdata;
      }

      tz        = tzsign + tzdata + '00';
      dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;
   // dt        = new Date( Date.parse( dts));
      dt        = new Date( parseISO8601String( dts));

Restore

2013-02-28 20:27 [UTC-7] by Blue Hell -

Changed line 62 from:

      dts       = year + '/' + month + '/' + day + 'T' + hour + ':' + minute + ':00.000' + tz;

to:

      dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;

Restore

2013-02-28 20:26 [UTC-7] by Blue Hell -

Changed line 62 from:

      dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;

to:

      dts       = year + '/' + month + '/' + day + 'T' + hour + ':' + minute + ':00.000' + tz;

Changed line 70 from:

      dt        = year + '/' + month + '/' + day + ' ' + hour + ':' + minute;

to:

      dt        = year + ' + month + ' + day + ' ' + hour + ':' + minute;

Restore

2013-02-28 20:25 [UTC-7] by Blue Hell -

Changed line 70 from:

      dt        = year + ' + month + ' + day + ' ' + hour + ':' + minute;

to:

      dt        = year + '/' + month + '/' + day + ' ' + hour + ':' + minute;

Restore

2013-02-28 20:03 [UTC-7] by Blue Hell -

Changed line 17 from:

    var dates = document.getElementsByClass( "xldt");

to:

    var dates = document.getElementsByClassName( "xldt");

Restore

2013-02-28 20:00 [UTC-7] by Blue Hell -

Changed line 17 from:

    var dates = document.getElementsByName( "xldt");

to:

    var dates = document.getElementsByClass( "xldt");

Restore

2013-02-28 19:23 [UTC-7] by Blue Hell -

Changed lines 43-56 from:

      if( 'time_zone' in window)

to:

      parts     = date.split( '-');
      year      = parts[ 0];
      month     = parts[ 1];
      day       = parts[ 2];
      parts     = time.split( ':');
      hour      = parts[ 0];
      minute    = parts[ 1];
      tz        = time_zone.substr( 4);
      len       = tz.length;
      tz        = tz.substr( 0, len - 1);
      tzsign    = tz.substr( 0, 1);
      tzdata    = tz.substr( 1, 2);

      if( tzdata.length < 2)

Changed lines 58-69 from:

        parts     = date.split( '-');
        year      = parts[ 0];
        month     = parts[ 1];
        day       = parts[ 2];
        parts     = time.split( ':');
        hour      = parts[ 0];
        minute    = parts[ 1];
        tz        = time_zone.substr( 4);
        len       = tz.length;
        tz        = tz.substr( 0, len - 1);
        tzsign    = tz.substr( 0, 1);
        tzdata    = tz.substr( 1, 2);

to:

        tzdata = '0' + tzdata;
      }

Changed lines 61-64 from:

        if( tzdata.length < 2)
        {
          tzdata = '0' + tzdata;
        }

to:

      tz        = tzsign + tzdata + '00';
      dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;
      dt        = new Date( Date.parse( dts));

Changed lines 65-77 from:

        tz        = tzsign + tzdata + '00';
        dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;
        dt        = new Date( Date.parse( dts));

        year      = dt.getFullYear();
        month     = fix_digits( dt.getMonth() + 1);
        day       = fix_digits( dt.getDate());
        hour      = fix_digits( dt.getHours());
        minute    = fix_digits( dt.getMinutes());
        dt        = year + ' + month + ' + day + ' ' + hour + ':' + minute;

        dates[ i].innerHTML = dt;
      }

to:

      year      = dt.getFullYear();
      month     = fix_digits( dt.getMonth() + 1);
      day       = fix_digits( dt.getDate());
      hour      = fix_digits( dt.getHours());
      minute    = fix_digits( dt.getMinutes());
      dt        = year + ' + month + ' + day + ' ' + hour + ':' + minute;

      dates[ i].innerHTML = dt;

Restore

2013-02-28 19:20 [UTC-7] by Blue Hell -

Changed lines 43-56 from:

      parts     = date.split( '-');
      year      = parts[ 0];
      month     = parts[ 1];
      day       = parts[ 2];
      parts     = time.split( ':');
      hour      = parts[ 0];
      minute    = parts[ 1];
      tz        = time_zone.substr( 4);
      len       = tz.length;
      tz        = tz.substr( 0, len - 1);
      tzsign    = tz.substr( 0, 1);
      tzdata    = tz.substr( 1, 2);

      if( tzdata.length < 2)

to:

      if( 'time_zone' in window)

Changed lines 45-46 from:

        tzdata = '0' + tzdata;
      }

to:

        parts     = date.split( '-');
        year      = parts[ 0];
        month     = parts[ 1];
        day       = parts[ 2];
        parts     = time.split( ':');
        hour      = parts[ 0];
        minute    = parts[ 1];
        tz        = time_zone.substr( 4);
        len       = tz.length;
        tz        = tz.substr( 0, len - 1);
        tzsign    = tz.substr( 0, 1);
        tzdata    = tz.substr( 1, 2);

Changed lines 58-60 from:

      tz        = tzsign + tzdata + '00';
      dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;
      dt        = new Date( Date.parse( dts));

to:

        if( tzdata.length < 2)
        {
          tzdata = '0' + tzdata;
        }

Changed lines 63-70 from:

      year      = dt.getFullYear();
      month     = fix_digits( dt.getMonth() + 1);
      day       = fix_digits( dt.getDate());
      hour      = fix_digits( dt.getHours());
      minute    = fix_digits( dt.getMinutes());
      dt        = year + ' + month + ' + day + ' ' + hour + ':' + minute;

      dates[ i].innerHTML = dt;

to:

        tz        = tzsign + tzdata + '00';
        dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;
        dt        = new Date( Date.parse( dts));

        year      = dt.getFullYear();
        month     = fix_digits( dt.getMonth() + 1);
        day       = fix_digits( dt.getDate());
        hour      = fix_digits( dt.getHours());
        minute    = fix_digits( dt.getMinutes());
        dt        = year + ' + month + ' + day + ' ' + hour + ':' + minute;

        dates[ i].innerHTML = dt;
      }

Restore

2013-02-28 18:48 [UTC-7] by Blue Hell -

Added lines 1-79:

(:html:)

  function fix_digits( num)
  {
    if( num < 10)
      return '0' + num;
    else
      return num;
  }

  function replace_dates()
  { 
    var dates = document.getElementsByName( "xldt");
    var stamp;
    var parts;
    var date;
    var time;
    var time_zone;
    var year;
    var month;
    var day;
    var hour;
    var minute;
    var tz;
    var len;
    var dt;
    var dts;
    var tzsign;
    var tzdata;
    var now;

    for( var i = 0; i < dates.length; i++) 
    {
      stamp     = dates[ i].innerHTML;
      parts     = stamp.split( ' ');
      date      = parts[ 0];
      time      = parts[ 1];
      time_zone = parts[ 3]; 
      parts     = date.split( '-');
      year      = parts[ 0];
      month     = parts[ 1];
      day       = parts[ 2];
      parts     = time.split( ':');
      hour      = parts[ 0];
      minute    = parts[ 1];
      tz        = time_zone.substr( 4);
      len       = tz.length;
      tz        = tz.substr( 0, len - 1);
      tzsign    = tz.substr( 0, 1);
      tzdata    = tz.substr( 1, 2);

      if( tzdata.length < 2)
      {
        tzdata = '0' + tzdata;
      }

      tz        = tzsign + tzdata + '00';
      dts       = year + ' + month + ' + day + 'T' + hour + ':' + minute + ':00.000' + tz;
      dt        = new Date( Date.parse( dts));

      year      = dt.getFullYear();
      month     = fix_digits( dt.getMonth() + 1);
      day       = fix_digits( dt.getDate());
      hour      = fix_digits( dt.getHours());
      minute    = fix_digits( dt.getMinutes());
      dt        = year + ' + month + ' + day + ' ' + hour + ':' + minute;

      dates[ i].innerHTML = dt;
    }
  }

  addLoadEvent( replace_dates);

</script>

(:htmlend:)

Restore