JQuery Plugin Starter

jquery.myplugin.js

// JQuery Plugin Starter
// ----------------------------------------------------
// Setup a namespace we can use for data, events etc.
// Wraps methods internally with support for arguments.
//
// $('div').myplugin(); //call init
// $('div').myplugin({color:'green'}).fadeIn(); //init with options and chained
// $('div').myplugin('destroy'); //custom method
// $('div').myplugin('custom',10,2); //custom method with arguments
//
(function($){
  var namespace = "myplugin";

  var methods = {
    init : function( options ){
      var settings = {color:'blue'};
      if(options){$.extend( settings, options );}            

      //do something maintaining the chain
      return this.each(function(){    
        
        $(this).css('background',settings.color);
      });
    },
    destroy : function(){
      //another method returning a value
      return true;
    },
    custom : function(a,b){
      //another method with arguments returning a value
      return a+b;
    }
  };
  var plugin = new Object();
  plugin[namespace]=function(method){
    if(methods[method]){
      return methods[method].apply( this, Array.prototype.slice.call( arguments, 1 ));
    }else if(typeof method === 'object' || ! method ) {
      return methods.init.apply( this, arguments );
    }else{
      $.error('Method ' +  method + ' does not exist on jQuery.'+namespace);
    }    
  };
  $.fn.extend(plugin);
})(this.jQuery);