Mongoose instance .save() not working when embedded array object changed

Question

I am using Mongoose npm module to manage mongodb. This is schema of mongodb collection what I am going to update.

var UserSchema = new Schema({
    username:         


        

Answer 1

If you just want to update cards based on cardIndex:

User.update({_id: userID}, {'$set': {
    'cards.cardIndex': cardInfo
}}, function(err) {
   //code
}