{
"compat_features": [
"api.FormData",
"api.FormData.@@iterator",
"api.FormData.FormData",
"api.FormData.FormData.submitter",
"api.FormData.append",
"api.FormData.append.filename_parameter",
"api.FormData.delete",
"api.FormData.entries",
"api.FormData.forEach",
"api.FormData.get",
"api.FormData.getAll",
"api.FormData.has",
"api.FormData.keys",
"api.FormData.set",
"api.FormData.values",
"api.FormData.worker_support",
"api.ProgressEvent",
"api.ProgressEvent.ProgressEvent",
"api.ProgressEvent.ProgressEvent.loaded_total_options_accept_double",
"api.ProgressEvent.lengthComputable",
"api.ProgressEvent.loaded",
"api.ProgressEvent.total",
"api.ProgressEvent.worker_support",
"api.XMLHttpRequest",
"api.XMLHttpRequest.XMLHttpRequest",
"api.XMLHttpRequest.abort",
"api.XMLHttpRequest.abort_event",
"api.XMLHttpRequest.authorization_removed_cross_origin",
"api.XMLHttpRequest.error_event",
"api.XMLHttpRequest.getAllResponseHeaders",
"api.XMLHttpRequest.getAllResponseHeaders.header_names_lowercase",
"api.XMLHttpRequest.getResponseHeader",
"api.XMLHttpRequest.load_event",
"api.XMLHttpRequest.loadend_event",
"api.XMLHttpRequest.loadstart_event",
"api.XMLHttpRequest.open",
"api.XMLHttpRequest.overrideMimeType",
"api.XMLHttpRequest.progress_event",
"api.XMLHttpRequest.readyState",
"api.XMLHttpRequest.readystatechange_event",
"api.XMLHttpRequest.response",
"api.XMLHttpRequest.responseText",
"api.XMLHttpRequest.responseType",
"api.XMLHttpRequest.responseType.arraybuffer_value",
"api.XMLHttpRequest.responseType.blob_value",
"api.XMLHttpRequest.responseType.document_value",
"api.XMLHttpRequest.responseType.json_value",
"api.XMLHttpRequest.responseURL",
"api.XMLHttpRequest.responseXML",
"api.XMLHttpRequest.send",
"api.XMLHttpRequest.send.body_ArrayBufferView_type",
"api.XMLHttpRequest.send.body_ArrayBuffer_type",
"api.XMLHttpRequest.send.body_Blob_type",
"api.XMLHttpRequest.send.body_FormData_type",
"api.XMLHttpRequest.send.body_URLSearchParams_type",
"api.XMLHttpRequest.setRequestHeader",
"api.XMLHttpRequest.status",
"api.XMLHttpRequest.statusText",
"api.XMLHttpRequest.timeout",
"api.XMLHttpRequest.timeout_event",
"api.XMLHttpRequest.upload",
"api.XMLHttpRequest.withCredentials",
"api.XMLHttpRequest.worker_support",
"api.XMLHttpRequestEventTarget",
"api.XMLHttpRequestUpload",
"api.XMLHttpRequestUpload.abort_event",
"api.XMLHttpRequestUpload.error_event",
"api.XMLHttpRequestUpload.load_event",
"api.XMLHttpRequestUpload.loadend_event",
"api.XMLHttpRequestUpload.loadstart_event",
"api.XMLHttpRequestUpload.progress_event",
"api.XMLHttpRequestUpload.timeout_event"
],
"description": "The XMLHttpRequest API makes HTTP requests. It's the predecessor to fetch(). Also known as XHR.",
"description_html": "The XMLHttpRequest API makes HTTP requests. It's the predecessor to fetch(). Also known as XHR.",
"kind": "feature",
"name": "XMLHttpRequest",
"spec": [
"https://xhr.spec.whatwg.org/"
],
"status": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"by_compat_key": {
"api.FormData": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "5",
"chrome_android": "18",
"edge": "12",
"firefox": "4",
"firefox_android": "4",
"safari": "5",
"safari_ios": "5"
}
},
"api.FormData.@@iterator": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "44",
"firefox_android": "44",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.FormData": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "5",
"chrome_android": "18",
"edge": "12",
"firefox": "4",
"firefox_android": "4",
"safari": "5",
"safari_ios": "5"
}
},
"api.FormData.FormData.submitter": {
"baseline": "high",
"baseline_high_date": "2025-10-06",
"baseline_low_date": "2023-04-06",
"support": {
"chrome": "112",
"chrome_android": "112",
"edge": "112",
"firefox": "111",
"firefox_android": "111",
"safari": "16.4",
"safari_ios": "16.4"
}
},
"api.FormData.append": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "5",
"chrome_android": "18",
"edge": "12",
"firefox": "4",
"firefox_android": "4",
"safari": "5",
"safari_ios": "5"
}
},
"api.FormData.append.filename_parameter": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "16",
"chrome_android": "18",
"edge": "12",
"firefox": "22",
"firefox_android": "22",
"safari": "6",
"safari_ios": "6"
}
},
"api.FormData.delete": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "39",
"firefox_android": "39",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.entries": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "44",
"firefox_android": "44",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.forEach": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "47",
"firefox_android": "47",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.get": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "39",
"firefox_android": "39",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.getAll": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "39",
"firefox_android": "39",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.has": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "39",
"firefox_android": "39",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.keys": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "44",
"firefox_android": "44",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.set": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "39",
"firefox_android": "39",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.values": {
"baseline": "high",
"baseline_high_date": "2021-04-02",
"baseline_low_date": "2018-10-02",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "18",
"firefox": "44",
"firefox_android": "44",
"safari": "11.1",
"safari_ios": "11.3"
}
},
"api.FormData.worker_support": {
"baseline": "high",
"baseline_high_date": "2022-09-24",
"baseline_low_date": "2020-03-24",
"support": {
"chrome": "50",
"chrome_android": "50",
"edge": "79",
"firefox": "39",
"firefox_android": "39",
"safari": "13.1",
"safari_ios": "13.4"
}
},
"api.ProgressEvent": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "3.1",
"safari_ios": "2"
}
},
"api.ProgressEvent.ProgressEvent": {
"baseline": "high",
"baseline_high_date": "2019-02-02",
"baseline_low_date": "2016-08-02",
"support": {
"chrome": "16",
"chrome_android": "18",
"edge": "14",
"firefox": "18",
"firefox_android": "18",
"safari": "6",
"safari_ios": "6"
}
},
"api.ProgressEvent.ProgressEvent.loaded_total_options_accept_double": {
"baseline": false,
"support": {
"chrome": "136",
"chrome_android": "136",
"edge": "136",
"firefox": "138",
"firefox_android": "138"
}
},
"api.ProgressEvent.lengthComputable": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "3.1",
"safari_ios": "2"
}
},
"api.ProgressEvent.loaded": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "3.1",
"safari_ios": "2"
}
},
"api.ProgressEvent.total": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "3.1",
"safari_ios": "2"
}
},
"api.ProgressEvent.worker_support": {
"baseline": false,
"support": {
"firefox": "54",
"firefox_android": "54",
"safari": "10",
"safari_ios": "10"
}
},
"api.XMLHttpRequest": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.XMLHttpRequest": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "3",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.abort": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.abort_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "1.3",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.authorization_removed_cross_origin": {
"baseline": false,
"support": {
"firefox": "111",
"firefox_android": "111",
"safari": "16.1",
"safari_ios": "16.1"
}
},
"api.XMLHttpRequest.error_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.3",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.getAllResponseHeaders": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.getAllResponseHeaders.header_names_lowercase": {
"baseline": "high",
"baseline_high_date": "2022-07-15",
"baseline_low_date": "2020-01-15",
"support": {
"chrome": "60",
"chrome_android": "60",
"edge": "79",
"firefox": "64",
"firefox_android": "64",
"safari": "11",
"safari_ios": "11"
}
},
"api.XMLHttpRequest.getResponseHeader": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.load_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.3",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.loadend_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "18",
"chrome_android": "18",
"edge": "12",
"firefox": "5",
"firefox_android": "5",
"safari": "4",
"safari_ios": "3"
}
},
"api.XMLHttpRequest.loadstart_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "1.3",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.open": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.overrideMimeType": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.progress_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "3",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.readyState": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.readystatechange_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.response": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "9",
"chrome_android": "18",
"edge": "12",
"firefox": "6",
"firefox_android": "6",
"safari": "5.1",
"safari_ios": "5"
}
},
"api.XMLHttpRequest.responseText": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.responseType": {
"baseline": "high",
"baseline_high_date": "2019-05-15",
"baseline_low_date": "2016-11-15",
"support": {
"chrome": "31",
"chrome_android": "31",
"edge": "12",
"firefox": "6",
"firefox_android": "50",
"safari": "5.1",
"safari_ios": "5"
}
},
"api.XMLHttpRequest.responseType.arraybuffer_value": {
"baseline": "high",
"baseline_high_date": "2019-05-15",
"baseline_low_date": "2016-11-15",
"support": {
"chrome": "31",
"chrome_android": "31",
"edge": "12",
"firefox": "6",
"firefox_android": "50",
"safari": "5.1",
"safari_ios": "5"
}
},
"api.XMLHttpRequest.responseType.blob_value": {
"baseline": "high",
"baseline_high_date": "2019-05-15",
"baseline_low_date": "2016-11-15",
"support": {
"chrome": "31",
"chrome_android": "31",
"edge": "12",
"firefox": "6",
"firefox_android": "50",
"safari": "5.1",
"safari_ios": "5"
}
},
"api.XMLHttpRequest.responseType.document_value": {
"baseline": "high",
"baseline_high_date": "2019-05-15",
"baseline_low_date": "2016-11-15",
"support": {
"chrome": "31",
"chrome_android": "31",
"edge": "12",
"firefox": "11",
"firefox_android": "50",
"safari": "7",
"safari_ios": "7"
}
},
"api.XMLHttpRequest.responseType.json_value": {
"baseline": "high",
"baseline_high_date": "2022-07-15",
"baseline_low_date": "2020-01-15",
"support": {
"chrome": "31",
"chrome_android": "31",
"edge": "79",
"firefox": "10",
"firefox_android": "50",
"safari": "7",
"safari_ios": "7"
}
},
"api.XMLHttpRequest.responseURL": {
"baseline": "high",
"baseline_high_date": "2019-02-02",
"baseline_low_date": "2016-08-02",
"support": {
"chrome": "37",
"chrome_android": "37",
"edge": "14",
"firefox": "32",
"firefox_android": "32",
"safari": "8",
"safari_ios": "8"
}
},
"api.XMLHttpRequest.responseXML": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "3",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.send": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.send.body_ArrayBufferView_type": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "22",
"chrome_android": "25",
"edge": "12",
"firefox": "20",
"firefox_android": "20",
"safari": "7",
"safari_ios": "7"
}
},
"api.XMLHttpRequest.send.body_ArrayBuffer_type": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "9",
"chrome_android": "18",
"edge": "12",
"firefox": "9",
"firefox_android": "9",
"safari": "6",
"safari_ios": "6"
}
},
"api.XMLHttpRequest.send.body_Blob_type": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "22",
"chrome_android": "25",
"edge": "12",
"firefox": "2",
"firefox_android": "4",
"safari": "6",
"safari_ios": "6"
}
},
"api.XMLHttpRequest.send.body_FormData_type": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "6",
"chrome_android": "18",
"edge": "12",
"firefox": "2",
"firefox_android": "4",
"safari": "6",
"safari_ios": "6"
}
},
"api.XMLHttpRequest.send.body_URLSearchParams_type": {
"baseline": "high",
"baseline_high_date": "2024-03-20",
"baseline_low_date": "2021-09-20",
"support": {
"chrome": "59",
"chrome_android": "59",
"edge": "17",
"firefox": "44",
"firefox_android": "44",
"safari": "15",
"safari_ios": "15"
}
},
"api.XMLHttpRequest.setRequestHeader": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.status": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.statusText": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1.2",
"safari_ios": "1"
}
},
"api.XMLHttpRequest.timeout": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "29",
"chrome_android": "29",
"edge": "12",
"firefox": "12",
"firefox_android": "14",
"safari": "7",
"safari_ios": "7"
}
},
"api.XMLHttpRequest.timeout_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "29",
"chrome_android": "29",
"edge": "12",
"firefox": "12",
"firefox_android": "14",
"safari": "7",
"safari_ios": "7"
}
},
"api.XMLHttpRequest.upload": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "2",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "4",
"safari_ios": "3"
}
},
"api.XMLHttpRequest.withCredentials": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "3",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "4",
"safari_ios": "3.2"
}
},
"api.XMLHttpRequest.worker_support": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "4",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "4",
"safari_ios": "5"
}
},
"api.XMLHttpRequestEventTarget": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "1",
"safari_ios": "1"
}
},
"api.XMLHttpRequestUpload": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "2",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "4",
"safari_ios": "3"
}
},
"api.XMLHttpRequestUpload.abort_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "2",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "4",
"safari_ios": "3"
}
},
"api.XMLHttpRequestUpload.error_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "2",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "4",
"safari_ios": "3"
}
},
"api.XMLHttpRequestUpload.load_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "2",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "4",
"safari_ios": "3"
}
},
"api.XMLHttpRequestUpload.loadend_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "18",
"chrome_android": "18",
"edge": "12",
"firefox": "5",
"firefox_android": "5",
"safari": "4",
"safari_ios": "3"
}
},
"api.XMLHttpRequestUpload.loadstart_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "2",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "4",
"safari_ios": "3"
}
},
"api.XMLHttpRequestUpload.progress_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "2",
"chrome_android": "18",
"edge": "12",
"firefox": "3.5",
"firefox_android": "4",
"safari": "4",
"safari_ios": "3"
}
},
"api.XMLHttpRequestUpload.timeout_event": {
"baseline": "high",
"baseline_high_date": "2018-01-29",
"baseline_low_date": "2015-07-29",
"support": {
"chrome": "29",
"chrome_android": "29",
"edge": "12",
"firefox": "12",
"firefox_android": "14",
"safari": "7",
"safari_ios": "7"
}
}
},
"support": {
"chrome": "1",
"chrome_android": "18",
"edge": "12",
"firefox": "1",
"firefox_android": "4",
"safari": "3",
"safari_ios": "1"
}
},
"id": "xhr",
"groups": [],
"specs": [
{
"url": "https://xhr.spec.whatwg.org/",
"seriesComposition": "full",
"shortname": "xhr",
"series": {
"shortname": "xhr",
"currentSpecification": "xhr",
"title": "XMLHttpRequest",
"shortTitle": "XMLHttpRequest",
"nightlyUrl": "https://xhr.spec.whatwg.org/"
},
"organization": "WHATWG",
"groups": [
{
"name": "XMLHttpRequest Workstream",
"url": "https://xhr.spec.whatwg.org/"
}
],
"nightly": {
"url": "https://xhr.spec.whatwg.org/",
"status": "Living Standard",
"alternateUrls": [],
"repository": "https://github.com/whatwg/xhr",
"sourcePath": "xhr.bs",
"filename": "index.html"
},
"title": "XMLHttpRequest",
"source": "whatwg",
"shortTitle": "XMLHttpRequest",
"categories": [
"browser"
],
"standing": "good",
"tests": {
"repository": "https://github.com/web-platform-tests/wpt",
"testPaths": [
"xhr"
]
},
"fragment": null
}
],
"mdnUrls": [
{
"slug": "Web/API/XMLHttpRequest_API",
"title": "XMLHttpRequest API",
"anchor": null,
"url": "https://developer.mozilla.org/docs/Web/API/XMLHttpRequest_API"
}
],
"standardPositions": [],
"hasNegativeStandardPosition": false,
"stateOfSurveys": [],
"chromeUseCounters": {},
"interop": [],
"wpt": {
"url": "https://wpt.fyi/results?q=feature:xhr"
},
"developerSignals": null,
"bugs": {
"chrome": [
"https://bugs.chromium.org/p/chromium/issues/detail?id=1189627",
"https://bugs.chromium.org/p/chromium/issues/detail?id=905968",
"https://bugs.chromium.org/p/chromium/issues/detail?id=827324",
"https://crbug.com/605517",
"https://crbug.com/357112",
"http://crbug.com/231959"
],
"safari": [
"https://webkit.org/b/288688"
]
},
"baselineLowDateAsObject": "2015-07-29T00:00:00.000Z",
"baselineHighDateAsObject": "2018-01-29T00:00:00.000Z"
}