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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Selectors Invalidation: :enabled and :disabled</title>
<link rel="help" href="https://drafts.csswg.org/selectors-4/#enableddisabled">
<link rel="help" href="https://html.spec.whatwg.org/#enabling-and-disabling-form-controls:-the-disabled-attribute">
<meta name="assert" content="This tests that the :enabled and :disabled selectors are effective, and that the enabled/disabled status of an element is changed when updating its 'disabled' attribute by script.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
input {
position: absolute;
left: 200px;
top: 300px;
}
:enabled {
left: 100px;
}
:disabled {
top: 400px;
}
</style>
</head>
<body>
<input id="first" type="button" value="First"></input>
<input id="second" type="button" value="Second" disabled></input>
<script>
test(() => {
assert_equals(getComputedStyle(first).left, '100px');
assert_equals(getComputedStyle(first).top, '300px');
first.disabled = true;
assert_equals(getComputedStyle(first).left, '200px');
assert_equals(getComputedStyle(first).top, '400px');
}, "Element updates when disabled");
test(() => {
assert_equals(getComputedStyle(second).left, '200px');
assert_equals(getComputedStyle(second).top, '400px');
second.disabled = false;
assert_equals(getComputedStyle(second).left, '100px');
assert_equals(getComputedStyle(second).top, '300px');
}, "Element updates when enabled");
</script>
</body>
</html>
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