1. Using rowspan and colspan attributes
Creating Tables
Using rowspan and colspan attributes

2. Introduction
By default a cell appears in one row and one column. However using rowspan and colspan attribute on individual cell <td> tag, you can cause a cell to span multiple rows and columns.
When using rowspan and/or colspan attribute, always remember where the cell starts.

3. Rowspan Attribute
Rowspan causes a cell to stretch downward to the rows below
If you want to make a cell go across several rows, use rowspan attribute with the <td> tag.
Rowspan can only extend a cell into the next row if there is room in that row 1 2 3 4 5 6

4. Colspan Attribute
Colspan causes a cell to extend to the right into columns on the right.
If you want to make a cell go across several columns, use colspan attribute with the <td> tag.
Colspan can only extend a cell into the next column if there is room in that column 1 2 3 4 5 6