Get SP.List property using SharePoint JSOM

getListProperties.js

function getListProperties(listTitle, OnSuccess,OnError) {

    var context = SP.ClientContext.get_current();
    var web = context.get_web();
    var list = web.get_lists().getByTitle(listTitle);

    context.load(web);
    context.load(list,'SchemaXml');

    context.executeQueryAsync(function(){      
        var schemaXml = list.get_schemaXml();
        var listJson = schemaXml2Json(schemaXml);
        OnSuccess(listJson);
    },OnError);        
}



function schemaXml2Json(schemaXml)
{ 
    var jsonObject = {};
    var schemaXmlDoc = $.parseXML(schemaXml);
    $(schemaXmlDoc).find('List').each(function() {
      $.each(this.attributes, function(i, attr){
           jsonObject[attr.name] = attr.value;
      });
    });
    return jsonObject;
}    

Do u know how to make this work for Spanish sites where the PAGES library is PAGINAS? this script fails there ...any way to get it working?