A List of XHR Methods and Corresponding Definitions

Methods	Definitions
Abort()	Cancels the current HTTP request.
getAllResponseHeaders()	Retrieves the values of all the HTTP headers.
geTResponseHeader("label")	Retrieves the value of a specified HTTP header from the response body.
Open("method", "URL"[, asyncFlag[, "userName"[, "password"]]])	Initializes an MSXML2.XMLHTTP or Microsoft.XMLHTTP request, and specifies the method, URL, and authentication information for the request.
Send(content)	Sends an HTTP request to the server and receives a response.
SetRequestHeader("label", "value")	Specifies the value of an HTTP header based on the label.