<!DOCTYPE html> <html> <head> <link rel="help" href="https://xhr.spec.whatwg.org/#the-abort()-method" data-tested-assertations="following-sibling::ol/li[4]/ol/li[5]" /> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <title>XMLHttpRequest: The abort() method: do not fire abort event in OPENED state when send() flag is unset. send() throws after abort().</title> </head> <body> <div id="log"></div> <script type="text/javascript"> var test = async_test() test.step(function() { var xhr = new XMLHttpRequest() xhr.onreadystatechange = function() { test.step(function() { if (xhr.readyState == 1) { xhr.abort(); } }); }; xhr.onabort = function(e) { test.step(function() { assert_unreached('when abort() is called, state is OPENED with the send() flag being unset, must not fire abort event per spec') }); }; xhr.open("GET", "./resources/content.py", true); // This should cause a readystatechange event that calls abort() assert_throws("InvalidStateError", function(){ xhr.send() }) test.done() }); </script> </body> </html>