Function stateChange

test/helpers/sinon.js:3624–3636

()

        };

        var stateChange = function() {
            fakeXhr.readyState = xhr.readyState;
            if(xhr.readyState >= FakeXMLHttpRequest.HEADERS_RECEIVED) {
                copyAttrs(["status","statusText"]);
            }
            if(xhr.readyState >= FakeXMLHttpRequest.LOADING) {
                copyAttrs(["responseText"]);
            }
            if(xhr.readyState === FakeXMLHttpRequest.DONE) {
                copyAttrs(["responseXML"]);
            }
            if(fakeXhr.onreadystatechange) fakeXhr.onreadystatechange.call(fakeXhr, { target: fakeXhr });
        };
        if(xhr.addEventListener) {
          for(var event in fakeXhr.eventListeners) {
              if(fakeXhr.eventListeners.hasOwnProperty(event)) {