@AuraEnabled
public static string saveAllData(list<object> allData,string objectName){
    system.debug('allData'+allData);
    map<string,string> IbjMap=new map<string,string>();
    Map<String, Schema.SObjectField> fieldMap = Schema.getGlobalDescribe().get(objectName).getDescribe().Fields.getMap();
    Schema.SObjectType targetType = Schema.getGlobalDescribe().get(objectName);
    list<Sobject> ObjList=new List<SObjcet>();
   for(object sobj:sobjectList){
                Sobject sobjRecord = targetType.newSObject();
                sobjRecord = sobj.clone();
                  sobjectList.add(sobjRecord);
            }

    insert ObjectList;
    return null;
}