45 lines
935 B
HTML
45 lines
935 B
HTML
<!DOCTYPE html>
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<title>Reference for Web Animation with scroll timeline tests</title>
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<style>
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#box {
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width: 100px;
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height: 100px;
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background-color: green;
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transform: translate(0, 100px);
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opacity: 0.5;
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will-change: transform; /* force compositing */
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}
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#covered {
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width: 100px;
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height: 100px;
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background-color: red;
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}
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#scroller {
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overflow: auto;
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height: 100px;
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width: 100px;
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will-change: transform; /* force compositing */
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}
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#contents {
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height: 1000px;
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width: 100%;
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}
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</style>
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<div id="box"></div>
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<div id="covered"></div>
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<div id="scroller">
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<div id="contents"></div>
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</div>
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<script>
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window.addEventListener('load', function() {
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// Move the scroller to halfway.
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const scroller = document.getElementById("scroller");
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.5 * maxScroll;
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});
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</script>
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