Bummer! This is just a preview. You need to be signed in with an account to view the entire instruction.

Well done!

You have completed (UPI) Chapter 7: Advanced JavaScript Object Handling!

Instruction

Managing Memory

Handles memory management: WeakRef: Provides a weak reference to an object, allowing it to be garbage-collected. FinalizationRegistry: Allows you to register cleanup operations when objects are garbage-collected.