setrequestheader-before-open.htm (664B)
1 <!doctype html> 2 <html> 3 <head> 4 <title>XMLHttpRequest: setRequestHeader() before open()</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <link rel="help" href="https://xhr.spec.whatwg.org/#the-setrequestheader()-method" data-tested-assertations="following::ol/li[1]" /> 8 </head> 9 <body> 10 <div id="log"></div> 11 <script> 12 test(function() { 13 var client = new XMLHttpRequest() 14 assert_throws_dom("InvalidStateError", function() { client.setRequestHeader("x-test", "test") }) 15 }, 'setRequestHeader invoked before open()') 16 </script> 17 </body> 18 </html>