| <!doctype html> |
| <meta charset="utf-8"> |
| <script src='/resources/testharness.js'></script> |
| <script src='/resources/testharnessreport.js'></script> |
| <link rel='stylesheet' href='support/base.css' /> |
| <link rel="author" title="Joy Yu" href="mailto:joysyu@mit.edu"> |
| <link rel="help" href="https://drafts.csswg.org/css-tables-3/#computing-the-table-height"> |
| <link rel="help" href="https://drafts.csswg.org/css-box-3/#visibility-prop"> |
| <link rel="help" href="https://drafts.csswg.org/css-tables-3/#visibility-collapse-cell-rendering"> |
| <style> |
| x-table { |
| border: 5px solid black; |
| } |
| x-table span { |
| display: inline-block; |
| vertical-align: top; |
| background: lime; |
| margin: 3px; |
| height: 100px; |
| width: 100px; |
| } |
| </style> |
| <main> |
| <h1>Visibility collapse</h1> |
| <a href="https://drafts.csswg.org/css-tables-3/#computing-the-table-height">Spec</a> |
| <p> |
| When setting any element that is not a row, col, row group, or col group, |
| visibility:collapse is equivalent to visibility:hidden. |
| </p> |
| <x-table id="one"> |
| <x-tr> |
| <x-td id="visibleCell"> |
| <span>row 1</span> |
| </x-td> |
| <x-td> |
| <span id="visibleSpan"></span> |
| </x-td> |
| </x-tr> |
| <x-tr> |
| <x-td> |
| <span>row 2</span> |
| </x-td> |
| <x-td> |
| <span></span> |
| </x-td> |
| </x-tr> |
| </x-table> |
| Bottom table is identical to top except top cells have been collapsed. |
| <x-table id="two"> |
| <x-tr> |
| <x-td id="hiddenCell" style="visibility:collapse"> |
| <span>row 1</span> |
| </x-td> |
| <x-td> |
| <span id="hiddenSpan" style="visibility:collapse"></span> |
| </x-td> |
| </x-tr> |
| <x-tr> |
| <x-td> |
| <span>row 2</span> |
| </x-td> |
| <x-td> |
| <span></span> |
| </x-td> |
| </x-tr> |
| </x-table> |
| </main> |
| |
| <script> |
| tests = [ |
| [ |
| document.getElementById('two').offsetWidth, |
| document.getElementById('one').offsetWidth, |
| "table width is unchanged" |
| ], |
| [ |
| document.getElementById('two').offsetHeight, |
| document.getElementById('one').offsetHeight, |
| "table height is unchanged" |
| ], |
| [ |
| document.getElementById('hiddenCell').offsetWidth, |
| document.getElementById('visibleCell').offsetWidth, |
| "td visibility:collapse has no effect on td width" |
| ], |
| [ |
| document.getElementById('hiddenCell').offsetHeight, |
| document.getElementById('visibleCell').offsetHeight, |
| "td visibility:collapse has no effect on td height" |
| ], |
| [ |
| document.getElementById('hiddenSpan').offsetWidth, |
| document.getElementById('visibleSpan').offsetWidth, |
| "span visibility:collapse has no effect on span width" |
| ], |
| [ |
| document.getElementById('hiddenSpan').offsetHeight, |
| document.getElementById('visibleSpan').offsetHeight, |
| "span visibility:collapse has no effect on span height" |
| ]]; |
| |
| for (i = 0; i< tests.length; i++) { |
| test(function() |
| { |
| assert_equals.apply(this, tests[i]); |
| }, |
| tests[i][2]); |
| }; |
| </script> |
| </html> |
