28 lines
876 B
HTML
28 lines
876 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<link rel="help" href="http://www.w3.org/TR/2012/WD-dom-20121206/#dom-nodelist-item">
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<script src="../../resources/js-test-pre.js"></script>
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</head>
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<body>
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<span id="target">
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<div id="a"></div>
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<div id="b"></div>
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</span>
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<script>
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description("Tests that the NodeList.item() argument is correctly validated.");
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var nodeList = document.getElementById("target").querySelectorAll('div');
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shouldBe("nodeList.__proto__", "NodeList.prototype");
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shouldBeEqualToString("nodeList.item(0).id", "a");
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shouldBeEqualToString("nodeList.item(1).id", "b");
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shouldBeNull("nodeList.item(2)");
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shouldBeNull("nodeList.item(-1)");
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shouldBeEqualToString("nodeList.item(-4294967295).id", "b"); // Wraps to 1.
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shouldThrow("nodeList.item()", "'TypeError: Not enough arguments'");
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</script>
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<script src="../../resources/js-test-post.js"></script>
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</body>
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</html>
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