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<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: Named access on the Window object</title>
<link rel="author" title="Intel" href="http://www.intel.com/">
<link rel="help" href="https://html.spec.whatwg.org/multipage/multipage/browsers.html#named-access-on-the-window-object">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<div style="display:none">
<p name="a" id="p1"></p>
<a name="a" id="a1" href="#"></a>
<area name="a" id="area1"></area>
<embed name="a" id="embed1"></embed>
<form name="a" id="form1"></form>
<img name="a" id="img1">
<object name="a" id="obj1"></object>
<span name="a" id="span1"></span>
<b id="b" name="c"></b>
<a name="c"></a>
<iframe name="c" id="fm1"></iframe>
<iframe name="c" id="fm2" src="test.html" onload="on_load()"></iframe>
<input id="b"></input>
<span id="d"></span>
<a name=""></a>
<b id=""></b>
</div>
<script>
test(function() {
assert_equals(window['c'], document.getElementById("fm1").contentWindow, "The first iframe's window should be returned.");
}, "Check if the first nested browsing context is returned by window['c']");
test(function() {
assert_true(window['a'] instanceof HTMLCollection);
assert_array_equals(window['a'],
[ document.getElementById('embed1'),
document.getElementById('form1'), document.getElementById('img1'),
document.getElementById('obj1') ],
"The elements are not in tree order.");
document.getElementById('form1').setAttribute("name", "");
document.getElementById('embed1').setAttribute("name", "");
assert_array_equals(window['a'],
[ document.getElementById('img1'),
document.getElementById('obj1') ],
"Window['a'] should not contain the elements with empty name attribute.");
}, "Check if window['a'] contains all embed, form, img, and object elements, and their order");
var t = async_test("Check that window['fs'] does not return the frameset element with name='fs' (historical)");
function on_load () {
t.step(function () {
assert_equals(document.getElementById('fm2').contentWindow['fs'],
undefined,
"The frameset element should not be returned.");
});
t.done();
}
test(function() {
assert_true(window['b'] instanceof HTMLCollection);
assert_array_equals(window['b'], [document.getElementsByTagName('b')[0], document.getElementsByTagName('input')[0]]);
document.getElementsByTagName('b')[0].setAttribute("id", "");
assert_equals(window['b'], document.getElementsByTagName('input')[0],
"The window['b'] should not contain the elements with empty id attribute.");
}, "Check if window['b'] returns the elements with the id='b'");
test(function() {
assert_equals(window['d'], document.getElementById('d'));
}, "Check if window['d'] returns the element with id='d'");
test(function() {
assert_equals(window[''], undefined, "The window[''] should be undefined");
}, "Check widow[''] when there are some elements with empty id or name attribute");
</script>
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