🏠 New in Low Baseline Support: Weak references
April 26, 2021
The WeakRef and FinalizationRegistry objects hold references to garbage-collectable objects without creating strong references that prevent their garbage collection.
Source features
javascript.builtins.FinalizationRegistry[mdn]javascript.builtins.FinalizationRegistry.FinalizationRegistry[mdn]javascript.builtins.FinalizationRegistry.register[mdn]javascript.builtins.FinalizationRegistry.unregister[mdn]javascript.builtins.WeakRef[mdn]javascript.builtins.WeakRef.WeakRef[mdn]javascript.builtins.WeakRef.deref[mdn]