Why does nth-child not function properly with table elements?

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There are a few reasons why nth-child may not function properly with table elements:

1. nth-child is designed to select elements based on their position among their siblings. In a table, the rows and cells are all siblings of each other, so it can be difficult to select specific cells or rows using nth-child alone.

2. Depending on the layout of the table, the numbering of the rows and cells may not follow a predictable pattern. For example, if the table has headers or merged cells, the numbering may skip over certain rows or cells.

3. There are other pseudo-classes and selectors that are better suited for selecting specific table elements, such as nth-of-type, :first-child, and :last-child. These selectors allow you to target elements based on their type, position, or relationship to their parent element.

Overall, while nth-child can be useful for selecting elements in some contexts, it may not be the most effective approach for selecting table elements. Other selectors and methods may be more effective depending on the specific table structure and layout.