js_study

    
    


    
        (=;<=;++){
            (=;<=;++){
                .(++++(*)+);
            }
            .();
        }
        .()
        (=;>=;--){
            (=;<=;++){
                .(++++(*)+);
            }
            .();
        }
        .()

        .();
            =;
            (<){
                (%==)
                {
                    (%==)
                        =;
                         =;

                    .(++)
                }

                .(++);
                ++

                (%==)
                    .()
            }
        .()
        =(obj){
            =obj.;
            obj.=;
        }
        (obj){
            obj.=;
        }
        .()


        (,);
        (,);
        (row,col) {
            .();
            (= ; < row; ++) {
                (% == )
                    = ;
                 = ;
                .(+ + );
                (= ; < col; ++)
                    .(+ (* col + ) + )
                .()
            }
            .()
        }

 (start,end,check){
            (=start;<end;++){
                (check()){
                    .(+);
                }
            }
        }
        (,,(num){
            (num%==){
                ;
            }{
                ;
            }
        })
        .()
        =+
                ;
 .(());

        .()

        =();

        =;
        +=.()+;
        +=(.()+)+ +=.()+;
        +=.()+;
        +=.()+;
        +=.()+;

        (.()){
            :
                +=;
                ;
            :
                +=;
                ;
            :
                +=;
                ;
            :
                +=;
                ;
            :
                +=;
                ;
            :
                +=;
                ;
            :
                +=;
                ;
        }
        .();
        .()

        ={:,:,:};
        (.)
        ([])