Demo cua foreach: thay vi viet 8 dong recolor, chi can 1 vong lap.
Dung foreach 0..7 de recolor tat ca cell sang current chi voi 3 dong.
Dung compute de tinh even = [0,2,4,6], roi foreach iterate qua binding do.
Dung list literal [1,3,5,7] truc tiep trong foreach de danh dau cac cell le.
Dim tat ca, roi highlight path [0,2,4,6] – giam tu 16 dong xuong con 6 dong.
Hai foreach doc lap: rows (current) va cols (error) chay tren 2 array khac nhau.
Foreach ket hop voi annotate – danh dau cac winner cells.