Nov 4, 2023 · FinalizationRegistry – is a tool for registering callbacks, that are executed when objects that are no longer strongly referenced, are destroyed. This allows releasing resources …

Jul 26, 2024 · If the target of a WeakRef is also in a FinalizationRegistry, the WeakRef's target is cleared at the same time or before any cleanup callback associated with the registry is called; …

Nov 21, 2024 · WeakRefs and FinalizationRegistry are not everyday tools for most JavaScript developers, but they unlock capabilities critical for advanced use cases. From caching and …

Mar 20, 2021 · A FinalizationRegistry object lets you request a callback when an object is garbage-collected. You first define the registry with the callback you want to run, and then you …

Feb 16, 2025 · Enter WeakRefs and FinalizationRegistry, two powerful features introduced in ES2021 and continuing to evolve as JavaScript improves memory efficiency. In this article, …

EcmaScript2021 features, deep understanding of weak, and strong references, and garbage collection using the WeakRef class and FinalizationRegistry examples.

Oct 1, 2024 · Learn how to manage memory efficiently in JavaScript using WeakRef and FinalizationRegistry. This guide covers weak references, garbage collection, and object …

Jan 7, 2025 · Here’s a more practical example combining WeakRef and FinalizationRegistry to track memory usage. This code helps track memory usage over time, updating statistics when …

Oct 24, 2024 · JavaScript's WeakRef and FinalizationRegistry offer advanced memory management. WeakRef allows referencing objects without preventing garbage collection, …

Jan 31, 2025 · In this article, we’ll explore how WeakRefs and FinalizationRegistry work, their use cases, and best practices for using them effectively.