colspanAnd rowspanthese two attributes are used to create a special form.
colspanThe number of columns for the specified cell should span: colspan is combined columns, colspan = 2 is then combined two.
rowspan用来Specified number of rows of cells across the longitudinal: rowspan combined line is used, such as rowspan = 2 is merged two rows,
- rowspan generally used td and th Tags
- row: line, span: span, span, range
- col: Column, span: span, span, range