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38 lines
1.2 KiB
HTML
38 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<link rel="author" href="mailto:atotic@google.com">
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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="help" href="https://www.w3.org/TR/css-overflow-3/#scrollable">
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<meta name="assert" content="What happens when appearance of one scrollbar triggers the other one?">
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<style>
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.container {
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width: 100px;
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height: 100px;
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overflow: auto;
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background: #DDD;
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--too-big: 120px;
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--slightly-smaller: 95px;
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}
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.target {
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width: 120px;
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height: 95px;
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background: rgba(0,255,0,0.3);
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}
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</style>
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<!-- -->
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<div class="container">
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<div class="target" style="width:var(--too-big);height:var(--slightly-smaller)" ></div>
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</div>
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<div class="container">
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<div class="target" style="height:var(--too-big);width:var(--slightly-smaller)" ></div>
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</div>
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<script>
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test(() => {
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Array.from(document.querySelectorAll(".container")).forEach( el => {
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let verticalScrollbar = el.offsetWidth - el.clientWidth;
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let horizontalScrollbar = el.offsetHeight - el.clientHeight;
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assert_equals(verticalScrollbar, horizontalScrollbar, "both scrollbars are visible.");
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});
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}, 'appearance of one scrollbar caused the other scrollbar to appear.');
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</script>
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