Method Array.mapMethod

Apply a method to all members of an array

• Syntax undefined Array.mapMethod(Function m , [ Mixed a0 ... an ])
  
  This method will apply the method m to each member of the array. Any extra arguments are passed along to the method.
• Parameters

  Function m

  The method you wish to apply

  Mixed a0 ... an (Optional)

  Optional arguments to be passed to the method m

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

  To check all members of an array is a number below 10

  // Define array
  var a = [1,2,3,4];
  
  // Define function
  function checkNumber(n) {
    if (this.constructor != Number || this > n)
      throw new Error('Member not a number or greater than ' + n);
  }
  
  // Apply method to members
  a.mapMethod(checkNumber,10);

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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/>. // *************************************************************************** // Apply the method m to each member of an array Array.prototype.mapMethod = function(m) { var a = []; for(var i=1; i<arguments.length; i++) a.push(arguments[i]); var l = this.length; for(var i=0; i<l; i++) m.apply(this[i],a); };