openMethodAssignsmethod,destinationURL,andotheroptionalattributesofapendingrequest.SyntaxXMLHttpRequest.open(sMethod,sUrl[,bAsync][,sUser][,sPassword])[/pre]ParameterssMethodRequired.StringthatspecifiestheHTTPmethodusedtoopentheconnection:suchasGET,POST,orHEAD.Thisparameterisnotcase-sensitive.sUrlRe...