80 lines
2 KiB
HTML
80 lines
2 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
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<meta name="assert" content="Position sticky with a fractional offset should not show a gap" />
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<link rel="match" href="position-sticky-fractional-offset-ref.html" />
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<style>
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.sticky-container {
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width: 100px;
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height: 100px;
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overflow-y: scroll;
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background: red;
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display: inline-block;
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}
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.sticky {
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position: sticky;
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top: 0;
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height: 50px;
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background: lightgreen;
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}
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.force-scroll {
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height: 300px;
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background: lightgreen;
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}
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</style>
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<div class="sticky-container">
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<div style="height: 10.10px;"></div>
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<div class="sticky"></div>
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<div class="force-scroll"></div>
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</div>
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<div class="sticky-container">
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<div style="height: 10.25px;"></div>
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<div class="sticky"></div>
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<div class="force-scroll"></div>
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</div>
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<div class="sticky-container">
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<div style="height: 10.50px;"></div>
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<div class="sticky"></div>
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<div class="force-scroll"></div>
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</div>
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<div class="sticky-container">
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<div style="height: 10.75px;"></div>
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<div class="sticky"></div>
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<div class="force-scroll"></div>
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</div>
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<div class="sticky-container">
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<div style="height: 10.90px;"></div>
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<div class="sticky"></div>
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<div class="force-scroll"></div>
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</div>
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<script>
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window.onload = function() {
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// Start with all containers scrolled to the top.
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var containers = document.getElementsByClassName('sticky-container');
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for (let i = 0; i < containers.length; i++) {
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containers[i].scrollTo(0, 0);
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}
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// Wait for a full frame, then scroll all containers down so the sticky
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// elements are stuck to the container. There should be no visible gap
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// where the container's red background color is visible.
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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for (let i = 0; i < containers.length; i++) {
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containers[i].scrollTo(0, 20);
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}
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document.documentElement.classList.remove('reftest-wait');
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});
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});
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};
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</script>
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</html>
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