<!doctype html> <html> <head> <title>XMLHttpRequest: send() with document.domain set: loading documents from original origin after setting document.domain</title> <script src="send-after-setting-document-domain-window-helper.js"></script> <link rel="help" href="https://xhr.spec.whatwg.org/#the-open()-method" data-tested-assertations="following::ol[1]/li[2]/ol[1]/li[3]" /> </head> <body> <script> run_test(function() { document.domain = document.domain; // this is not a noop, it does actually change the security context var client = new XMLHttpRequest(); client.open("GET", "status.py?content=hello", false); client.send(null); assert_equals(client.responseText, "hello"); document.domain = document.domain.replace(/^\w+\./, ""); client.open("GET", "status.py?content=hello2", false); client.send(null); assert_equals(client.responseText, "hello2"); }, "loading documents from original origin after setting document.domain"); </script> </body> </html>