38 lines
1.5 KiB
HTML
38 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<meta charset="utf-8">
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<title>CSS Overflow: -webkit-line-clamp display invalidation test</title>
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<link rel="author" title="Andreu Botella" href="mailto:abotella@igalia.com">
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<link rel="help" href="https://drafts.csswg.org/css-overflow-4/#line-clamp">
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<link rel="match" href="reference/webkit-line-clamp-001-ref.html">
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<meta name="assert" content="-webkit-line-clamp needs a specified value of `display: -webkit-box`, but the computed value is set to `display: flow-root`. This test checks that changing the specified value from `-webkit-box` to `flow-root` makes the box no longer a line-clamp container.">
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<script src="/common/reftest-wait.js"></script>
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<style>
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.clamp {
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display: -webkit-box;
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-webkit-box-orient: vertical;
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-webkit-line-clamp: 4;
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overflow: hidden; /* can be removed once implementations update their old -webkit-line-clamp implementations */
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font: 16px / 32px serif;
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white-space: pre;
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background-color: yellow;
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}
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</style>
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<div class="clamp">Line 1
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Line 2
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Line 3
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Line 4
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Line 5</div>
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<script>
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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// When `display: -webkit-box` is present with -webkit-line-clamp, its
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// computed value becomes `display: flow-root`, but the -webkit-line-clamp
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// behavior needs `-webkit-box` as the specified value.
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const clampEl = document.querySelector(".clamp");
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clampEl.style.display = getComputedStyle(clampEl).display;
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takeScreenshot();
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});
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});
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</script>
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