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