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https://github.com/servo/servo
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22 lines
936 B
HTML
22 lines
936 B
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>HTML Test: focus - default value of tabindex</title>
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<link rel="author" title="Intel" href="http://www.intel.com/">
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<link rel="help" href="https://html.spec.whatwg.org/multipage/#sequential-focus-navigation-and-the-tabindex-attribute">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="log"></div>
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<button id="test1">TEST1</button>
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<div id="test2">TEST2</div>
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<script>
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test(function() {
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assert_equals(document.getElementById("test1").tabIndex, 0, "The value of tabIndex attribute should be 0.");
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}, "The default value of tabIndex attribute must be 0 for elements that are focusable");
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test(function() {
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assert_equals(document.getElementById("test2").tabIndex, -1, "The value of tabIndex attribute should be -1.");
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}, "The default value of tabIndex attribute must be -1 for elements that are not focusable");
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</script>
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