Tag feed

#weakmaps

4 posts0 followers

MYmanoj ymkjavascript-day-1.hashnode.dev

Lesson 41: Mastering JavaScript WeakMap and WeakSet with challenges!

May 27, 2025 · 6 min read · ✅ What are WeakMap and WeakSet? They are special memory-friendly versions of Map and Set where: Keys (in WeakMap) or values (in WeakSet) must be objects only — no primitives allowed. These structures don’t prevent garbage collection — if no other r...

Join discussion

PBPeter Bamigboyefantom0.hashnode.dev

0

Closures vs WeakMaps: Hiding Data in JavaScript

Apr 9, 2025 · 7 min read · In our previous article in the series here, I got a comment on a code snippet I used which made use of closures which reminded me that it is an often confusing part of JavaScript, which then inspired this article. JavaScript developers often face the...

Join discussion

#weakmaps

Search Hashnode

#weakmaps

Lesson 41: Mastering JavaScript WeakMap and WeakSet with challenges!

Closures vs WeakMaps: Hiding Data in JavaScript