<!DOCTYPE html> <html> <head> <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-upload-progress-notifications')]/.. following::ol[1]/li[8]" /> <link rel="help" href="https://xhr.spec.whatwg.org/#make-upload-progress-notifications" data-tested-assertations="following::ul[1]/li[2]/ol[1]/li[2]" /> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <title>XMLHttpRequest: The send() method: Fire a progress event named progress on the XMLHttpRequestUpload (synchronous flag is unset)</title> </head> <body> <div id="log"></div> <script type="text/javascript"> var test = async_test(); test.step(function() { var xhr = new XMLHttpRequest(); xhr.upload.onprogress = function(e) { test.step(function() { assert_true(e instanceof ProgressEvent); assert_equals(e.type, "progress"); assert_equals(e.target, xhr.upload); test.done(); }); }; xhr.open("POST", "./resources/content.py", true); xhr.send("Test Message"); }); </script> </body> </html>