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<!DOCTYPE html>
<meta charset="UTF-8" />
<title>Inline event handler scopes exclude unscopable properties</title>
<link rel="author" title="ExE Boss" href="https://ExE-Boss.tech" />
<link rel="help" href="https://html.spec.whatwg.org/multipage/webappapis.html#getting-the-current-value-of-the-event-handler" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
window.testVariable = {};
</script>
<!-- test case 1: element, document, and window -->
<div id="test1_target" onclick='
"use strict";
window.testResults.testVariable = testVariable;
'></div>
<script>
"use strict";
test(() => {
const results = window.testResults = {};
document[Symbol.unscopables].testVariable = true;
document.testVariable = "FAIL (document)";
document.getElementById("test1_target").click();
assert_equals(results.testVariable, window.testVariable);
}, "unscopable `document.testVariable` doesn't shadow `window.testVariable`");
test(() => {
const results = window.testResults = {};
const element = document.getElementById("test1_target");
element[Symbol.unscopables].testVariable = true;
element.testVariable = "FAIL (element)";
element.click();
assert_equals(results.testVariable, window.testVariable);
}, "unscopable `element.testVariable` doesn't shadow `window.testVariable`");
</script>
<!-- test case 2: element, form owner, document, and window -->
<form id="test2_form_owner" onsubmit="return false;">
<!-- <button> is a form-associated element and has a form owner.
https://html.spec.whatwg.org/C/#form-associated-element -->
<button id="test2_target" onclick='
"use strict";
window.testResults.testVariable = testVariable;
'></button>
</form>
<script>
"use strict";
test(() => {
const results = window.testResults = {};
const element = document.getElementById("test2_target");
const formOwner = document.getElementById("test2_form_owner");
formOwner[Symbol.unscopables].testVariable = true;
formOwner.testVariable = "FAIL (formOwner)";
element.click();
assert_equals(results.testVariable, window.testVariable);
}, "unscopable `formOwner.testVariable` doesn't shadow `window.testVariable`")
</script>
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