<!DOCTYPE html> <html> <head> <title>XMLHttpRequest: open() resolving URLs - insert <base></title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <link rel="help" href="https://xhr.spec.whatwg.org/#the-open()-method" data-tested-assertations="following::ol/li[2]/ol/li[2] following::ol/li[7] following::ol/li[14]/ul/li[2]" /> <link rel="help" href="https://xhr.spec.whatwg.org/#the-responsetext-attribute" data-tested-assertations="following::ol/li[4]" /> </head> <body> <div id="log"></div> <script> test(function() { var client = new XMLHttpRequest(), base = document.createElement("base") base.href = location.href.replace(/\/[^/]*$/, '') + "/resources/" document.getElementsByTagName("head")[0].appendChild(base) client.open("GET", "folder.txt", false) client.send(null) assert_equals(client.responseText, "bottom\n") }) </script> </body> </html>