read

var mongo = require('mongodb').MongoClient;
var settings = { mongo: "mongodb://cactuscon:Wish2PacWasAlive23423524545234@ds029630.mongolab.com:29630/cactuscon-dcc" };
get("funstuff", function(err, data){
  console.log(data);
});
function get(collectionname, callback){
  mongo.connect(settings.mongo, function(err, db){
    var collection  = db.collection(collectionname);
    var cursor = collection.find();
    collection.find().toArray(function(err, results){
        if(err) {console.log("find failed:", err); callback(err); return;}
        callback(err, results);
        db.close();
    });
  });
}

write

//This connects to a "cloud" mongo instance, yes, that's the password
var mongo = require('mongodb').MongoClient;
var settings = { mongo: "mongodb://cactuscon:Wish2PacWasAlive23423524545234@ds029630.mongolab.com:29630/cactuscon-dcc" };
var ourData = {
  name:"Your Name Here",
  message:"Your Message"
 };
save("funstuff", ourData, function(err, object){
  if(err) {console.log("saved failed:", err); return;}
  console.log("saved: ", object);
});
function save(collectionName, object, callback) {
  mongo.connect(settings.mongo, function(err, db){
    if(err) {console.log("connect failed:", err); callback(err); return;
    } else {
      var collection = db.collection(collectionName);
      collection.insert(object, {},  function() {
        callback(null, object);
      });
      db.close();
    }
  });
}