Are there any concerns about memory leaks when using recursive JavaScript Objects?

Our model entities are passed through the API in JSON format, allowing us to inflate them client-side for use on both the server and client sides. These entities have standard Hibernate bi-directional relationships. As you navigate through an object in the console, you may notice that the properties can seemingly expand endlessly due to these relationships. For example:

$get.OrderItem {validations: Object, metaData: Object, $$getFormattedValue: function, data: Object, modifiedData: Object…}

For instance, the Orderitem object may contain an Order object in its data, which in turn may have an Orderitem object, creating a chain of relationships. It may appear as though the objects keep expanding infinitely in the console, raising questions about potential memory leaks or excessively large object sizes. Is this a real world concern, or is it simply a result of the console's representation of each entity separately?

Answer â„–1

It is safe to refer to the same object in memory as long as you are not keeping any other references to those objects elsewhere in the code. AngularJS utilizes this concept in its scope hierarchy, where child scopes have properties equal to the parent scope, and the chain continues.

To avoid memory leaks, make sure to explicitly clean up (nulling properties) when an object is no longer needed or "destroyed". This practice can help maintain the integrity of the memory usage in your application.

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