s =  new XMLSerailizer();
    str = s.serializeToString(node);
    $.ajax('http://localhost:8080/geoserver/wfs', {
        type: 'POST',
        dataType: 'xml',
        processData: false,
        contentType: 'text/xml',
        data: str
    }).done();

}

0:
 $$hashKey: "object:271"
 geometry: {type: "MultiPolygon", coordinates: Array(1)}
 geometry_name: "the_geom"
 id:"tn_naturals.377"
 properties:
  NAME:""
  TYPE:"forest123"
  type:"Feature"