chromium/src/third_party/blink/web_tests/external/wpt/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-form-submit-1.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>

 <h1>navigation-unload-form-submit-1.html</h1>

 <script>
 let isSubmit = false;

 window.unload = function () {
     window.location = 'is-Submit' + isSubmit;
 }

 function setIsSubmit() {
     isSubmit = true;
 }
 </script>

 <form onsubmit="setIsSubmit" action="navigation-unload-form-submit-2.html">
   <input type="submit">
 </form>

 <script>
 parent.finishedLoading();
 </script>
	<!DOCTYPE html>

	<h1>navigation-unload-form-submit-1.html</h1>

	<script>
	let isSubmit = false;

	window.unload = function () {
	window.location = 'is-Submit' + isSubmit;
	}

	function setIsSubmit() {
	isSubmit = true;
	}
	</script>

	<form onsubmit="setIsSubmit" action="navigation-unload-form-submit-2.html">
	<input type="submit">
	</form>

	<script>
	parent.finishedLoading();
	</script>