自己动手实现jQuery Callbacks完整功能代码详解

                        ar.push( fn );

                        if ( ops.memory )
                        {
                            // after added , call it immediately
                            fn.call( this, lastArgs );
                        }
                    }

                    return this;
                };

                // remove a function
                this.remove = function ( fn )
                {
                    if ( typeof ( fn ) === ‘function’
                        && fn.name !== ”
                        && ar.length > 0 )
                    {
                        for ( var i = 0; i < ar.length; i++ )
                        {
                            if ( ar[i].name === fn.name )
                            {