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<!DOCTYPE html>
<meta charset="utf-8">
<link rel="help" href="https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#form-submission-2">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe name="frame" id="frame"></iframe>
<form id="form" target="frame" action="does_not_exist.html">
<input id="input" name="name" value="foo">
<input id="submitbutton" type="submit"></input>
</form>
<script>
async_test(t => {
window.addEventListener('load', () => {
const frame = document.getElementById('frame');
frame.addEventListener('load', t.step_func_done(() => {
const expected = (new URL("does_not_exist.html?name=bar", location.href)).href;
assert_equals(frame.contentWindow.location.href, expected);
}));
const form = document.getElementById('form');
const input = document.getElementById('input');
const submitButton = document.getElementById('submitbutton');
submitButton.addEventListener('click', event => {
submitButton.remove();
form.submit();
input.value = "bar";
form.submit();
input.value = "baz";
});
submitButton.click();
});
}, 'This test will pass if a form navigation successfully occurs when clicking a <input type=submit> element with a onclick event handler which removes the input and then calls form.submit().');
</script>
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