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Redux Ecosystem Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
Redux Ecosystem
Why does useSelector((state) => state.items.filter(i => i.active)) re-render its component on every dispatched action, even unrelated ones?
A
useSelector is broken for arrays
B
.filter() constructs a NEW array reference on every call, and useSelector's default comparison is reference equality — so it always looks 'changed'
C
filter() is not supported inside selectors
D
This only happens in development mode
Check Answer