| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8" /> |
| <title>CSS Test (Selectors): Keyboard focus enables :focus-visible</title> |
| <link rel="author" title="Rob Dodson" href="robdodson@chromium.org" /> |
| <link rel="help" href="https://drafts.csswg.org/selectors-4/#the-focus-visible-pseudo" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| :focus-visible { background-color: rgb(128, 196, 128); } |
| :focus:not(:focus-visible) { background-color: rgb(196, 128, 128); } |
| </style> |
| </head> |
| <body> |
| <ol id="instructions"> |
| <li>If the user-agent does not claim to support the <code>:focus-visible</code> pseudo-class then SKIP this test.</li> |
| <li>Click the button below that says "Click me."</li> |
| <li>If the element that says "I will be focused programmatically." does not have a green background, then the test result is FAILURE. If the element has green background, then the test result is SUCCESS.</li> |
| </ol> |
| <br /> |
| <button id="button">Click me.</button> |
| <div id="el" tabindex="-1">I will be focused programmatically.</el> |
| <script> |
| button.addEventListener("click", () => { |
| el.focus(); |
| }); |
| async_test(function(t) { |
| el.addEventListener("focus", t.step_func(() => { |
| assert_equals(getComputedStyle(el).backgroundColor, |
| "rgb(128, 196, 128)"); |
| t.done(); |
| })); |
| el.focus(); |
| }, "Programmatic focus should always match :focus-visible"); |
| </script> |
| </body> |
| </html> |
