// a sample logging function to be added to a callbacks list
                                    
                                  
                                
                                

                                  

                                    var foo = function( value ) {
                                  
                                
                                

                                  

                                      console.log( "foo: " + value );
                                  
                                
                                

                                  

                                    };
                                  
                                
                                

                                  

                                     
                                  
                                
                                

                                  

                                    
                                      // another function to also be added to the list
                                    
                                  
                                
                                

                                  

                                    var bar = function( value ){
                                  
                                
                                

                                  

                                      console.log( "bar: " + value );
                                  
                                
                                

                                  

                                    };
                                  
                                
                                

                                  

                                     
                                  
                                
                                

                                  

                                    var callbacks = $.Callbacks();
                                  
                                
                                

                                  

                                     
                                  
                                
                                

                                  

                                    
                                      // add the function "foo" to the list
                                    
                                  
                                
                                

                                  

                                    callbacks.add( foo );
                                  
                                
                                

                                  

                                     
                                  
                                
                                

                                  

                                    
                                      // fire the items on the list
                                    
                                  
                                
                                

                                  

                                    callbacks.fire( "hello" );
                                  
                                
                                

                                  

                                    
                                      // outputs: "foo: hello"
                                    
                                  
                                
                                

                                  

                                     
                                  
                                
                                

                                  

                                    
                                      // add the function "bar" to the list
                                    
                                  
                                
                                

                                  

                                    callbacks.add( bar );
                                  
                                
                                

                                  

                                     
                                  
                                
                                

                                  

                                    
                                      // fire the items on the list again
                                    
                                  
                                
                                

                                  

                                    callbacks.fire( "world" );
                                  
                                
                                

                                  

                                     
                                  
                                
                                

                                  

                                    
                                      // outputs:
                                    
                                  
                                
                                

                                  

                                    
                                      // "foo: world"
                                    
                                  
                                
                                

                                  

                                    
                                      // "bar: world"