XMLHttpRequestThe XMLHttpRequest API makes HTTP requests. It's the predecessor to fetch(). Also known as XHR.widely2015-07-292018-01-29https://xhr.spec.whatwg.org/https://developer.mozilla.org/docs/Web/API/FormDataapi.FormDataapi.FormData.@@iteratorapi.FormData.FormDataapi.FormData.FormData.submitterapi.FormData.appendapi.FormData.append.filename_parameterapi.FormData.deleteapi.FormData.entriesapi.FormData.forEachapi.FormData.getapi.FormData.getAllapi.FormData.hasapi.FormData.keysapi.FormData.setapi.FormData.valuesapi.FormData.worker_supportapi.ProgressEventapi.ProgressEvent.ProgressEventapi.ProgressEvent.ProgressEvent.loaded_total_options_accept_doubleapi.ProgressEvent.lengthComputableapi.ProgressEvent.loadedapi.ProgressEvent.totalapi.ProgressEvent.worker_supportapi.XMLHttpRequestapi.XMLHttpRequest.XMLHttpRequestapi.XMLHttpRequest.abortapi.XMLHttpRequest.abort_eventapi.XMLHttpRequest.authorization_removed_cross_originapi.XMLHttpRequest.error_eventapi.XMLHttpRequest.getAllResponseHeadersapi.XMLHttpRequest.getAllResponseHeaders.header_names_lowercaseapi.XMLHttpRequest.getResponseHeaderapi.XMLHttpRequest.load_eventapi.XMLHttpRequest.loadend_eventapi.XMLHttpRequest.loadstart_eventapi.XMLHttpRequest.openapi.XMLHttpRequest.overrideMimeTypeapi.XMLHttpRequest.progress_eventapi.XMLHttpRequest.readyStateapi.XMLHttpRequest.readystatechange_eventapi.XMLHttpRequest.responseapi.XMLHttpRequest.responseTextapi.XMLHttpRequest.responseTypeapi.XMLHttpRequest.responseType.arraybuffer_valueapi.XMLHttpRequest.responseType.blob_valueapi.XMLHttpRequest.responseType.document_valueapi.XMLHttpRequest.responseType.json_valueapi.XMLHttpRequest.responseURLapi.XMLHttpRequest.responseXMLapi.XMLHttpRequest.sendapi.XMLHttpRequest.send.body_ArrayBufferView_typeapi.XMLHttpRequest.send.body_ArrayBuffer_typeapi.XMLHttpRequest.send.body_Blob_typeapi.XMLHttpRequest.send.body_FormData_typeapi.XMLHttpRequest.send.body_URLSearchParams_typeapi.XMLHttpRequest.setRequestHeaderapi.XMLHttpRequest.statusapi.XMLHttpRequest.statusTextapi.XMLHttpRequest.timeoutapi.XMLHttpRequest.timeout_eventapi.XMLHttpRequest.uploadapi.XMLHttpRequest.withCredentialsapi.XMLHttpRequest.worker_supportapi.XMLHttpRequestEventTargetapi.XMLHttpRequestUploadapi.XMLHttpRequestUpload.abort_eventapi.XMLHttpRequestUpload.error_eventapi.XMLHttpRequestUpload.load_eventapi.XMLHttpRequestUpload.loadend_eventapi.XMLHttpRequestUpload.loadstart_eventapi.XMLHttpRequestUpload.progress_eventapi.XMLHttpRequestUpload.timeout_eventhttps://nowyoucanuse.com/features--xhr.html