src/third_party/web_platform_tests/XMLHttpRequest/FormData-append.html - cobalt - Git at Google

 <!doctype html>
 <meta charset=utf-8>
 <title>FormData.append</title>
 <link rel=help href=https://xhr.spec.whatwg.org/#dom-formdata-append>
 <script src=/resources/testharness.js></script>
 <script src=/resources/testharnessreport.js></script>
 <div id=log></div>
 <script>
 function test_formdata(creator, verifier, description) {
   async_test(description).step(function() {
     var fd = creator();
     var xhr = new XMLHttpRequest();
     xhr.onload = this.step_func(function() {
       verifier(xhr.responseText);
       this.done();
     });
     xhr.open("POST", "resources/upload.py");
     xhr.send(fd);
   })
 }
 test_formdata(function() {
   var fd = new FormData();
   fd.append("name", new String("value"));
   return fd;
 }, function(data) {
   assert_equals(data, "name=value,\n");
 }, "Passing a String object to FormData.append should work.");
 </script>
	<!doctype html>
	<meta charset=utf-8>
	<title>FormData.append</title>
	<link rel=help href=https://xhr.spec.whatwg.org/#dom-formdata-append>
	<script src=/resources/testharness.js></script>
	<script src=/resources/testharnessreport.js></script>
	<div id=log></div>
	<script>
	function test_formdata(creator, verifier, description) {
	async_test(description).step(function() {
	var fd = creator();
	var xhr = new XMLHttpRequest();
	xhr.onload = this.step_func(function() {
	verifier(xhr.responseText);
	this.done();
	});
	xhr.open("POST", "resources/upload.py");
	xhr.send(fd);
	})
	}
	test_formdata(function() {
	var fd = new FormData();
	fd.append("name", new String("value"));
	return fd;
	}, function(data) {
	assert_equals(data, "name=value,\n");
	}, "Passing a String object to FormData.append should work.");
	</script>