Method Number.isInteger

Check whether a number is an integer

• Syntax Boolean Number.isInteger()
  
  This functions checks whther a number is an integer.
• Return value True if the number is an integer; false otherwise
• Examples

  To find out whether a variable is an integer

  // Declare variable
  var n = 16;
  // Output is true
  n.isInteger();

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  Download this function including dependencies
  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/>. // *************************************************************************** // Return true if number is an integer Number.prototype.isInteger = function() { return Math.floor(this) == this ? true : false; };