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24 lines
1.2 KiB
HTML
24 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<title>Priority Hints - Image element</title>
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<meta name="author" title="Dominic Farolino" href="mailto:domfarolino@gmail.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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<img id=img1 src=/images/green.png importance=high>
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<img id=img2 src=/images/green.png importance=low>
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<img id=img3 src=/images/green.png importance=auto>
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<img id=img4 src=/images/green.png importance=xyz>
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<img id=img5 src=/images/green.png>
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<script>
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test(() => {
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assert_equals(img1.importance, "high", "high importance is a valid IDL value on the image element");
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assert_equals(img2.importance, "low", "high importance is a valid IDL value on the image element");
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assert_equals(img3.importance, "auto", "auto importance is a valid IDL value on the image element");
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assert_equals(img4.importance, "auto", "invalid importance reflects as 'auto' IDL attribute on the image element");
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assert_equals(img5.importance, "auto", "missing importance reflects as 'auto' IDL attribute on the image element");
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}, "importance attribute on <img> elements should reflect valid IDL values");
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const img = new Image();
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assert_equals(img.importance, "auto");
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</script>
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