<!doctype html>
<html>
<head>
<title>XMLHttpRequest: loadstart event</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://xhr.spec.whatwg.org/#handler-xhr-onloadstart" data-tested-assertations="../.." />
<link rel="help" href="https://xhr.spec.whatwg.org/#event-xhr-loadstart" data-tested-assertations="../.." />
<link rel="help" href="https://xhr.spec.whatwg.org/#the-send()-method" data-tested-assertations="following-sibling::ol/li[9]/ol/li[2]" />
</head>
<body>
<div id="log"></div>
<script>
var test = async_test();
test.step(function() {
var client = new XMLHttpRequest();
client.onloadstart = test.step_func(function(e) {
assert_true(e instanceof ProgressEvent);
assert_equals(e.type, "loadstart");
assert_equals(client.readyState, 1);
test.done();
});
setTimeout(test.step_func(function () {
assert_unreached("onloadstart not called after 500 ms");
}), 500);
client.open("GET", "resources/well-formed.xml");
client.send(null);
});
</script>
</body>
</html>