Which of the following HTML5 codes will affect the horizontal as well as vertical alignment of the table content?
1. < td halign = " middle" valign = " center" > BASH < / td >
2. < td style = " text − align : center; vertical − align : middle; " > BASH < / td >
3. < td align = "middle" valign = " center" > BASH < / td >
4. < td style = " horizontal − align: center; vertical − align : middle; " > BASH < / td >