setrequestheader-after-send.htm (909B)
1 <!doctype html> 2 <html> 3 <head> 4 <title>XMLHttpRequest: setRequestHeader() after send()</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[2]" /> 8 </head> 9 <body> 10 <div id="log"></div> 11 <script> 12 var test = async_test() 13 test.step(function() { 14 var client = new XMLHttpRequest() 15 client.open("GET", "resources/delay.py?ms=0") 16 client.onreadystatechange = function() { 17 test.step(function() { 18 assert_throws_dom("InvalidStateError", function() { client.setRequestHeader("x-test", "test") }) 19 if(client.readyState == 4) 20 test.done() 21 }) 22 } 23 client.send(null) 24 }) 25 </script> 26 </body> 27 </html>