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<!DOCTYPE html>
<meta charset="utf-8">
<title>Named access on the window object</title>
<link rel="author" title="Matthew Phillips" href="mailto:matthew@matthewphillips.info">
<link rel="help" href="https://html.spec.whatwg.org/#named-access-on-the-window-object">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
"use strict";
test(() => {
const img = document.createElement("img");
img.setAttribute("name", "namedimage");
document.body.appendChild(img);
assert_equals(img, window.namedimage);
}, "A named property must return an element as-is if its name attribute matches");
test(() => {
const img = document.createElement("img");
img.setAttribute("name", "foo");
assert_false("foo" in window);
}, "A named property must not be set if the element is not reachable from the Document");
test(() => {
const img = document.createElement("img");
img.setAttribute("name", "enumerable-foo");
document.body.appendChild(img);
let found = false;
for (const key in window) {
if (key === "enumerable-foo") {
found = true;
}
}
assert_false(found);
}, "A named property must not be enumerable");
test(() => {
const img = document.createElement("img");
img.setAttribute("id", "foo-id");
document.body.appendChild(img);
assert_equals(img, window["foo-id"]);
}, "A named property must return any element for which the id attribute matches");
test(() => {
document.body.appendChild(document.createTextNode("foo"));
const img = document.createElement("img");
img.setAttribute("id", "with-non-element");
document.body.appendChild(img);
assert_equals(window["with-non-element"], img);
}, "A non element node in the document should not cause errors");
test(() => {
const img = document.createElement("img");
document.body.appendChild(img);
img.setAttribute("name", "dupe");
img.setAttribute("id", "dupe");
assert_equals(window.dupe, img);
const img2 = document.createElement("img");
document.body.appendChild(img2);
img2.setAttribute("name", "dupe");
img2.setAttribute("id", "dupe");
assert_equals(window.dupe.length, 2);
assert_equals(window.dupe[0], img);
assert_equals(window.dupe[1], img2);
}, "An element with identical name and id attributes should occur in the HTMLCollection once, not twice");
</script>
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