Get _id of an inserted document in MongoDB?

Question

say I have a product listing. When I add a new product I save it using something like

var doc=products.Insert(p);

The pro

Answer 1

When you insert an object into the mongodb, mongo will update the object with the internal ID.

So if

data = {
  title: "Howdy"
}

Then when we insert the data object into the db

db.collection('collectionName', function(err, collection) {
  collection.insert(data);
  console.log(data._id); // <- The mongodb id is now set on the item
});