CODE EXAMPLE FOR JAVASCRIPT

mongoose in nodem js

// NOTE: methods must be added to the schema before compiling it with mongoose.model()
kittySchema.methods.speak = function speak() {
  const greeting = this.name
    ? "Meow name is " + this.name
    : "I don't have a name";
  console.log(greeting);
};

const Kitten = mongoose.model('Kitten', kittySchema);