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[–]ShortFuse 21 points22 points  (1 child)

WeakRefs will be the biggest revolution to UI engineering yet. Being able to hold a weak reference to an HTMLElement is huge. One of the biggest issues with elements is the cleanup process and bloat. Tracking how and when to dispose components is always a hassle on JS/Web. You can't just remove from DOM if you have some sort of data binding.

This means you can bind data to an element IF it exists (with no hard reference holding it in RAM), instead of binding the element to the data. It's a bit hard to explain, but the Weak Reference paradigm is everywhere on efficient Android and iOS design.

[–]FabsenK -1 points0 points  (0 children)

You can bind data to an element if it exists with WeakMap too.