How to Extend Table Cell Links to Fill Row Height?

Extending Table Cell Links to Fill Row Height

In a tabular data visualization, cell links often fail to cover the entire vertical space of a row, especially when the cells have varying heights. This can hinder user interaction, as clicking on a partially covered cell may not trigger the desired action.

To rectify this issue, the following technique can be employed:

Set Margin and Padding to Drive Link Extension

1. Apply overflow: hidden to the parent table cells.
2. Convert the link to a block element using display: block.
3. Set an arbitrarily large negative margin (e.g., -10em) and an equal amount of padding (e.g., 10em) to the block element.

Sample Code Implementation

<code class="css">td {
    overflow: hidden;
}
td a {
    display: block;
    margin: -10em;
    padding: 10em;
}</code>

This adjustment extends the link beyond the boundaries of the table cell, effectively covering the entire row height. Users can now click anywhere in the cell to activate the link, regardless of whether the cell has multiple lines of content.

Refer to the updated JSFiddle demonstration here: http://jsfiddle.net/RXHuE/213/

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