Method Date.getDaySuffix

Get the english suffix for dates

• Syntax undefined Date.getDaySuffix([ Boolean utc ])
  
  This function will return the english day suffix (st, nd, rd or th) for the date. If utc is true universal time is used; otherwise the local time is used.
• Parameters

  Boolean utc (Optional)

  Set to true to use UTC.

• Return value No explicit return value. Default value of undefined is returned.
• Examples

  // Get the suffix of the 23rd of July 2001

  // Create date
  var d = new Date(2001,6,23);
  // Output is 'rd
  d.getDaySuffix();

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  Source

  Unless otherwise noted all code in the JSLab Standard Library is licensed as GPLv3. See http://www.gnu.org/licenses/gpl.html for the entire license.

  // ************************************************************************** // Copyright 2007 - 2009 Tavs Dokkedahl // Contact: http://www.jslab.dk/contact.php // // This file is part of the JSLab Standard Library (JSL) Program. // // JSL is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3 of the License, or // any later version. // // JSL is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. // *************************************************************************** // Gen the english suffix for dates Date.prototype.getDaySuffix = function(utc) { var n = utc ? this.getUTCDate() : this.getDate(); // If not the 11th and date ends at 1 if (n != 11 && (n + '').match(/1$/)) return 'st'; // If not the 12th and date ends at 2 else if (n != 12 && (n + '').match(/2$/)) return 'nd'; // If not the 13th and date ends at 3 else if (n != 13 && (n + '').match(/3$/)) return 'rd'; else return 'th'; };