<!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[3] following-sibling::ol/li[4]/ol/li[5] following-sibling::ol/li[4]/ol/li[6] following-sibling::ol/li[4]/ol/li[7]/ol/li[3] following-sibling::ol/li[4]/ol/li[7]/ol/li[4] following-sibling::ol/li[5]" /> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="resources/xmlhttprequest-event-order.js"></script> <title>XMLHttpRequest: The abort() method: abort and loadend events</title> </head> <body> <div id="log"></div> <script type="text/javascript"> var test = async_test(); test.step(function() { var xhr = new XMLHttpRequest(); prepare_xhr_for_event_order_test(xhr); xhr.addEventListener("loadstart", function() { test.step(function() { var readyState = xhr.readyState; if (readyState == 1) { xhr.abort(); VerifyResult(); } else { assert_unreached('Loadstart event should not fire in readyState '+readyState); } }); }); function VerifyResult() { test.step(function() { assert_xhr_event_order_matches([1, "loadstart(0,0,false)", 4, "upload.abort(0,0,false)", "upload.loadend(0,0,false)", "abort(0,0,false)", "loadend(0,0,false)"]); assert_equals(xhr.readyState, 0, 'state should be UNSENT'); test.done(); }); }; xhr.open("POST", "./resources/content.py", true); xhr.send("Test Message"); }); </script> </body> </html>