зеркало из https://github.com/mozilla/gecko-dev.git
43 строки
660 B
HTML
43 строки
660 B
HTML
<!DOCTYPE html>
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<html>
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<meta charset="utf-8">
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<title>Reference: Active opacity should be rendered if it's inside the display port, even if it's currently offscreen</title>
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<style>
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#scrollbox {
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border: 1px solid black;
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width: 200px;
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height: 200px;
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overflow: hidden;
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}
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#scrolledContent {
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height: 1000px;
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}
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#opacity {
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will-change: opacity;
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opacity: 0.5;
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margin-top: 250px;
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width: 100px;
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height: 100px;
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box-sizing: border-box;
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border: 1px solid blue;
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}
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</style>
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<div id="scrollbox">
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<div id="scrolledContent">
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<div id="opacity"></div>
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</div>
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</div>
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<script>
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document.getElementById("scrollbox").scrollTop = 150;
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</script>
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