<!DOCTYPE html> <html> <head> <title>XMLHttpRequest: getResponseHeader() in error state (failing cross-origin test)</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <link rel="help" href="https://xhr.spec.whatwg.org/#dom-xmlhttprequest-getresponseheader" data-tested-assertations="following::OL[1]/LI[2]" /> </head> <body> <div id="log"></div> <script> var test = async_test() test.step(function() { var client = new XMLHttpRequest() client.onreadystatechange = function() { test.step(function() { if(client.readyState == 1) { assert_equals(client.getResponseHeader("x-custom-header"), null) } if(client.readyState > 1) { assert_equals(client.getResponseHeader("x-custom-header"), null) } if(client.readyState == 4){ assert_equals(client.getResponseHeader("x-custom-header"), null) test.done() } }) } var url = location.protocol + "//" + 'www1.' + location.host + (location.pathname.replace(/getresponseheader-error-state\.htm/, 'resources/nocors/folder.txt')) client.open("GET", url) client.send(null) }) </script> </body> </html>