Nested Table Example This example demonstrates how to create a nested table with colspan and rowspan using HTML and CSS for displaying hierarchical data or detailed information.

The data contained hierarchical information, so the tables became increasingly complex because cells had to be merged using rowspan or colspan attributes to reflect the hierarchies.

String keys to identify rows and columns when building the table. Colspan and rowspan using column groups and row groups. Remaining empty cells filled in automatically, to preserve the structural ...