1 Tests that the NodeList.item() argument is correctly validated.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS nodeList.__proto__ is NodeList.prototype
7 PASS nodeList.item(0).id is "a"
8 PASS nodeList.item(1).id is "b"
9 PASS nodeList.item(2) is null
10 PASS nodeList.item(-1) is null
11 PASS nodeList.item(-4294967295).id is "b"
12 PASS nodeList.item() threw exception TypeError: Failed to execute 'item' on 'NodeList': 1 argument required, but only 0 present..
13 PASS successfullyParsed is true