Skip to lesson

WeakMap / WeakRef / FinalizationRegistryRecap

WeakMap / WeakRef / FinalizationRegistry

Learn the small tools that solve recurring frontend problems.

Submodule 23 of 49Upcoming lesson

This lesson is taking shape.

You can explore its planned coverage and move through the course. The full lesson is not available yet.

What this unit will cover

Ephemeral metadata and references that do not keep objects alive.

Read the free lesson