|  | <!doctype html> | 
|  | <html lang=en> | 
|  | <meta charset=utf-8> | 
|  | <title>XMLHttpRequest: The send() method: Fire a progress event named progress (synchronous flag is unset)</title> | 
|  | <script src="/resources/testharness.js"></script> | 
|  | <script src="/resources/testharnessreport.js"></script> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#handler-xhr-onprogress" data-tested-assertations="../.." /> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#event-xhr-progress" data-tested-assertations="../.." /> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#the-send()-method" data-tested-assertations="following::*//a[contains(@href,'#make-progress-notifications')]" /> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#make-progress-notifications" data-tested-assertations=".." /> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#switch-done" data-tested-assertations="following::li[5]" /> | 
|  | <div id="log"></div> | 
|  | <script> | 
|  | var test = async_test(); | 
|  | test.step(function() { | 
|  | var client = new XMLHttpRequest(); | 
|  | client.onprogress = test.step_func(function(e) { | 
|  | assert_true(e instanceof ProgressEvent); | 
|  | assert_equals(e.type, "progress"); | 
|  | test.done(); | 
|  | }); | 
|  | client.onreadystatechange = test.step_func(function() { | 
|  | if (client.readyState === 4) | 
|  | assert_unreached("onprogress not called."); | 
|  | }); | 
|  | client.open("GET", "resources/trickle.py"); | 
|  | client.send(null); | 
|  | }); | 
|  | </script> |