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39 lines
1.7 KiB
HTML
39 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>CSS Backgrounds and Borders Module Level 4: getComputedStyle().backgroundPositionX</title>
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<link rel="help" href="https://drafts.csswg.org/css-backgrounds-4/#propdef-background-position-x">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/css/support/computed-testcommon.js"></script>
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<style>
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#target {
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font-size: 40px;
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}
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</style>
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</head>
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<body>
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<div id="target"></div>
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<script>
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test_computed_value("background-position-x", "center", "50%");
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test_computed_value("background-position-x", "left", "0%");
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test_computed_value("background-position-x", "right", "100%");
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test_computed_value("background-position-x", "x-start");
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test_computed_value("background-position-x", "x-end");
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test_computed_value("background-position-x", "-20%");
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test_computed_value("background-position-x", "10px");
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test_computed_value("background-position-x", "0.5em", "20px");
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test_computed_value("background-position-x", "calc(10px - 0.5em)", "-10px");
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test_computed_value("background-position-x", "left -20%", "-20%");
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test_computed_value("background-position-x", "right -10px", "calc(100% + 10px)");
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test_computed_value("background-position-x", "-20%, 10px", "-20%");
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test_computed_value("background-position-x", "center, left, right", "50%");
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test_computed_value("background-position-x", "0.5em, x-start, x-end", "20px");
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// See background-computed.html for a test with multiple background images.
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test_computed_value("background-position-x", "calc(10px - 0.5em), -20%, 10px", "-10px");
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test_computed_value("background-position-x", "calc(10px - 0.5em), left -20%, right 10px", "-10px");
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</script>
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</body>
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</html>
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