Rat don gian khi thanh vien dang nhap vao dien dan xong thi se hien bang chatbox o phan cuoi. Neu muon chat chi can nhan nut dang nhap goc ben phai cua chatbox
la hien ra ten thanh vien va viet noi dung chat o cho thong diep xong thi nhan nut send. nhung voi dieu kien la cac thanh vien khac cung phai dang nhap cung trong dien dan thi moi chat voi nhau duoc. Chuc Thuy Le thanh cong.