{"action":"closed","issue":{"url":"https://api.github.com/repos/DevExpress/testcafe-hammerhead/issues/489","repository_url":"https://api.github.com/repos/DevExpress/testcafe-hammerhead","labels_url":"https://api.github.com/repos/DevExpress/testcafe-hammerhead/issues/489/labels{/name}","comments_url":"https://api.github.com/repos/DevExpress/testcafe-hammerhead/issues/489/comments","events_url":"https://api.github.com/repos/DevExpress/testcafe-hammerhead/issues/489/events","html_url":"https://github.com/DevExpress/testcafe-hammerhead/issues/489","id":142345045,"number":489,"title":"window.XMLHttpRequest.prototype.send refactoring","user":{"login":"miherlosev","id":4133518,"avatar_url":"https://avatars.githubusercontent.com/u/4133518?v=3","gravatar_id":"","url":"https://api.github.com/users/miherlosev","html_url":"https://github.com/miherlosev","followers_url":"https://api.github.com/users/miherlosev/followers","following_url":"https://api.github.com/users/miherlosev/following{/other_user}","gists_url":"https://api.github.com/users/miherlosev/gists{/gist_id}","starred_url":"https://api.github.com/users/miherlosev/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/miherlosev/subscriptions","organizations_url":"https://api.github.com/users/miherlosev/orgs","repos_url":"https://api.github.com/users/miherlosev/repos","events_url":"https://api.github.com/users/miherlosev/events{/privacy}","received_events_url":"https://api.github.com/users/miherlosev/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/DevExpress/testcafe-hammerhead/labels/AREA:%20client","name":"AREA: client","color":"fef2c0"},{"url":"https://api.github.com/repos/DevExpress/testcafe-hammerhead/labels/TYPE:%20question","name":"TYPE: question","color":"f7c6c7"}],"state":"closed","locked":false,"assignee":{"login":"miherlosev","id":4133518,"avatar_url":"https://avatars.githubusercontent.com/u/4133518?v=3","gravatar_id":"","url":"https://api.github.com/users/miherlosev","html_url":"https://github.com/miherlosev","followers_url":"https://api.github.com/users/miherlosev/followers","following_url":"https://api.github.com/users/miherlosev/following{/other_user}","gists_url":"https://api.github.com/users/miherlosev/gists{/gist_id}","starred_url":"https://api.github.com/users/miherlosev/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/miherlosev/subscriptions","organizations_url":"https://api.github.com/users/miherlosev/orgs","repos_url":"https://api.github.com/users/miherlosev/repos","events_url":"https://api.github.com/users/miherlosev/events{/privacy}","received_events_url":"https://api.github.com/users/miherlosev/received_events","type":"User","site_admin":false},"milestone":null,"comments":2,"created_at":"2016-03-21T13:20:01Z","updated_at":"2016-04-20T08:42:26Z","closed_at":"2016-04-20T08:42:26Z","body":"Overriden method has the code fragment:\r\n```javascript\r\n            var orscHandler = () => {\r\n                if (xhr.readyState === 4)\r\n                    xhrSandbox.emit(xhrSandbox.XHR_COMPLETED_EVENT, { xhr });\r\n            };\r\n\r\n            // NOTE: If we're using the sync mode or the response is in cache and the object has been retrieved\r\n            // directly (IE6 & IE7), we need to raise the callback manually.\r\n            if (xhr.readyState === 4)\r\n                orscHandler();\r\n            else {\r\n            ...\r\n```\r\nIE6, IE7 is not supported browsers.\r\nInvestigate this case. If it is need then update the comment."}}