/ /   o n   m    c h o   p h n   h e a d : 
 
 
 
         f u n c t i o n   p r o c e s s C o n f i r m ( a n s w e r )   { 
 
                 v a r   r e s u l t   =   " " ; 
 
                 i f   ( a n s w e r )   { 
 
                         r e s u l t   =   " T u y t .   C h  n g   t a   s   c h i   m t   v  n   c   h a y . " ; 
 
                 }   e l s e   { 
 
                         r e s u l t   =   " C    t h   m t   l  c   n a . " ; 
 
                 } 
 
                 r e t u r n   r e s u l t ; 
 
         } 
 
 
 
 / /   o n   m    c h o   p h n   b o d y : 
 
 
 
 v a r   c o n f i r m A n s w e r   =   c o n f i r m ( " C h  n g   t a   c h i   m t   v  n   c h ? " ) ; 
 
 v a r   t h e A n s w e r   =   p r o c e s s C o n f i r m ( c o n f i r m A n s w e r ) ; 
 
 a l e r t ( t h e A n s w e r ) ; 
 
 