nullifyPointer(pointerIndex) {
        var pointer = this.pointersForVisualization.getPointer(pointerIndex);
        this.visualizer.umsg("Pointer " + pointer.getName() + " points to NULL");
        pointer.makeNull(this.visualizer, this.JsavLinkedList.getJsavLinkedList());
        //if there is a node pointed only by this pointer, it should be removed from the list
    }
/**
     * Make the pointer value to null and visualize it appropriately
     * @param {Integer} pointerIndex the index of the pointer
     */
Make the pointer value to null and visualize it appropriately
@param {Integer} pointerIndex the index of the pointer
Make the pointer value to null and visualize it appropriately @param { Integer } pointerIndex the index of the pointer
nullifyPointer(pointerIndex) {
        var pointer = this.pointersForVisualization.getPointer(pointerIndex);
        this.visualizer.umsg("Pointer " + pointer.getName() + " points to NULL");
        pointer.makeNull(this.visualizer, this.JsavLinkedList.getJsavLinkedList());
    }
nullifyPointer ( pointerIndex ) { var pointer = this . pointersForVisualization . getPointer ( pointerIndex ) ; this . visualizer . umsg ( "Pointer " + pointer . getName ( ) + " points to NULL" ) ; pointer . makeNull ( this . visualizer , this . JsavLinkedList . getJsavLinkedList ( ) ) ; }
Make the pointer value to null and visualize it appropriately
 @param {Integer} pointerIndex the index of the pointer
Make the pointer value to null and visualize it appropriately @param { Integer } pointerIndex the index of the pointer
//if there is a node pointed only by this pointer, it should be removed from the list