42 lines
1.1 KiB
HTML
42 lines
1.1 KiB
HTML
<!doctype html>
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<head>
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<meta charset=utf-8>
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<title>Test calling focus() in "focus" event listener when focus has moved away</title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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</head>
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<body>
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<input id="input1" placeholder="input1"/>
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<input id="input2" placeholder="input2"/>
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</body>
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<script>
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// This test tests calling focus() in the "focus" event
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// listener on the element again when the focus has
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// moved away.
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// This is for https://github.com/whatwg/html/pull/11182
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async_test((t) => {
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let previouslyCalled = false;
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let counter = 0;
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input1.addEventListener("focus", function(e) {
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counter++;
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if (!previouslyCalled) {
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input2.focus();
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previouslyCalled = true;
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}
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input1.focus();
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if (counter !== 2) {
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// If `lock-for-focus` is implemented, the above input1.focus()
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// shouldn't work, so the counter should never be 2.
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assert_unreached();
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}
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t.done();
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});
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input1.focus();
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}, "Element.focus() in focus listener when focus has moved away");
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</script>
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