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