muhammadghazali/replace-the-whole-embedded-fields.js

## replace-the-whole-embedded-fields.js
let update = {
  $set: {
    hello: {
      world: 'anything'
    }
  }
};

## update-the-embedded-fields.js
let update = {
  $set: {
    // only update the world field inside the `hello`
    'hello.world': 'anything'
  }
};
	let update = {
	$set: {
	// only update the world field inside the `hello`
	'hello.world': 'anything'
	}
	};