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52 lines
1.8 KiB
HTML
52 lines
1.8 KiB
HTML
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<!DOCTYPE html>
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<html lang=en>
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<meta charset="utf-8">
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<title>Selectors Level 4: focus-within</title>
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<link rel="author" title="Keyong Li" href="mailto:kli79@bloomberg.net">
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<link rel="author" title="Florian Rivoal" href="mailto:florian@rivoal.net">
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<link rel="help" href="https://drafts.csswg.org/selectors-4/#focus-within-pseudo">
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<link rel="match" href="focus-within-001-ref.html">
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<meta name="flags" content="interact">
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<meta name="assert" content="Test that :focus-within works on elements that are focusable due to contenteditable.">
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<style>
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/* Suppress things that cannot be reproduced in the reference file */
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:focus {
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outline: none;
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/* Make the caret invisible
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since it matches the color of the text, which is transparent,
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while keeping the text readable thanks to its shadow.
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Not using the caret-color property as it is too new to be relied on. */
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color: transparent; text-shadow: black 0px 0px 0px;
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}
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/* Use blue to indicate that the user needs to pay attention.
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This element needs to be focused for the test to make sense. */
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#focusme:not(:focus) {
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border: solid 15px blue;
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}
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:focus {
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border: solid 5px red;
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}
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div:focus-within, #focusme:focus-within {
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border: solid 5px green;
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}
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</style>
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<p>Test passes if, when the element below is focused,
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it is surrounded by a thick green border.
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There must be no red or blue once it is focused.</p>
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<div>
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<div>
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<div id="focusme" class="reftest-wait" onfocus="this.classList.toggle('reftest-wait');" contentEditable="true">Focus this element</div>
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</div>
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</div>
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<script>
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/* This script is an optional convenience,
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simply removing the need to manually focus the element.
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The test is valid even if the script is not run. */
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var editor = document.getElementById('focusme');
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editor.focus();
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</script>
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<body>
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</html>
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