зеркало из https://github.com/mozilla/gecko-dev.git
45 строки
1.6 KiB
HTML
45 строки
1.6 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 Test (Selectors): Keyboard focus enables :focus-visible</title>
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<link rel="author" title="Alice Boxhall" href="aboxhall@chromium.org" />
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<link rel="help" href="https://drafts.csswg.org/selectors-4/#the-focus-visible-pseudo" />
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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:focus-visible {
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outline: darkgreen auto 5px;
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}
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#el:focus:not(:focus-visible) {
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background-color: tomato;;
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outline: 0;
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}
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</style>
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</head>
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<body>
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This test checks that programmatically focusing an element after a keypress causes <code>:focus-visible</code> to match.
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<ol id="instructions">
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<li>Use the tab key to move focus to the button below that says "Tab to me and press ENTER."</li>
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<li>Press ENTER.</li>
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<li>If the element that says "I will be focused programmatically." has a red background, then the test result is FAILURE. If the element has a green outline, then the test result is SUCCESS.</li>
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</ol>
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<br />
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<button id="button">Tab to me and press ENTER.</button>
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<div id="el" tabindex="-1">I will be focused programmatically.</el>
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<script>
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button.addEventListener("click", () => {
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el.focus();
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});
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async_test(function(t) {
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el.addEventListener("focus", t.step_func(function() {
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assert_equals(getComputedStyle(el).outlineColor, "rgb(0, 100, 0)");
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t.done();
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}));
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el.focus();
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}, "Programmatic focus after keypress should match :focus-visible");
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</script>
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</body>
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</html>
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