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| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <link rel="help" href="http://www.w3.org/TR/2012/WD-dom-20121206/#dom-nodelist-i
tem"> |
| 5 <script src="../js/resources/js-test-pre.js"></script> |
| 6 </head> |
| 7 <body> |
| 8 <span id="target"> |
| 9 <div id="a"></div> |
| 10 <div id="b"></div> |
| 11 </span> |
| 12 <script> |
| 13 description("Tests that the NodeList.item() argument is correctly validated."); |
| 14 |
| 15 var nodeList = document.getElementById("target").querySelectorAll('div'); |
| 16 shouldBe("nodeList.__proto__", "NodeList.prototype"); |
| 17 |
| 18 shouldBeEqualToString("nodeList.item(0).id", "a"); |
| 19 shouldBeEqualToString("nodeList.item(1).id", "b"); |
| 20 shouldBeNull("nodeList.item(2)"); |
| 21 shouldBeNull("nodeList.item(-1)"); |
| 22 shouldBeEqualToString("nodeList.item(-4294967295).id", "b"); // Wraps to 1. |
| 23 shouldThrow("nodeList.item()", "'TypeError: Not enough arguments'"); |
| 24 </script> |
| 25 <script src="../js/resources/js-test-post.js"></script> |
| 26 </body> |
| 27 </html> |
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