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<!DOCTYPE html>
<meta charset="utf-8" />
<title>
The constraint validation API Test: element.validity.valueMissing for radio
group
</title>
<link rel="author" title="Emmanuel Elom" href="mailto:elomemmanuel007@gmail.com">
<link
rel="help"
href="https://html.spec.whatwg.org/multipage/#dom-validitystate-valuemissing"
/>
<link
rel="help"
href="https://html.spec.whatwg.org/multipage/#the-constraint-validation-api"
/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/validator.js"></script>
<div id="log"></div>
<input type="radio" id="first" required name="group" />
<input type="radio" id="second" checked name="group" />
<input type="radio" id="third" required name="group1" />
<input type="radio" id="fourth" name="group1" />
<script>
const first = document.getElementById("first");
const second = document.getElementById("second");
const third = document.getElementById("third");
const fourth = document.getElementById("fourth");
test(() => {
assert_equals(first.validity.valueMissing, false);
assert_equals(second.validity.valueMissing, false);
second.remove();
assert_equals(first.validity.valueMissing, true);
}, "valueMissing is true for all group members when checked group member is removed");
test(() => {
assert_equals(third.validity.valueMissing, true);
assert_equals(fourth.validity.valueMissing, true);
fourth.click();
assert_equals(third.validity.valueMissing, false);
assert_equals(fourth.validity.valueMissing, false);
}, "valueMissing is false for all group members when any group member is checked");
</script>
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