<!DOCTYPE html> <html> <head> <title>XMLHttpRequest: open() - bogus URLs</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[7] following::ol/li[8]" /> </head> <body> <div id="log"></div> <script> function url(url) { test(function() { var client = new XMLHttpRequest() assert_throws("SyntaxError", function() { client.open("GET", url) }) }, document.title + " (" + url + ")") } url("//[") url("ftp:") url("http://a a/") url("http:////////////") url("http://u:p@/") </script> </body> </html>