Back to all skills
Progress2 of 45
AdvancedLow

useLatest for Stable Callback Refs

Access latest values in callbacks without adding them to dependency arrays. Prevents effect re-runs while avoiding stale closures.

advancedhooksuseLatestrefsoptimization

Code Comparison

•Implementation:typescript
•Incorrect (effect re-runs on every callback change):tsx
•Correct (stable effect, fresh callback):tsx

Why This Matters

Impact: prevents effect re-runs. This optimization is classified as LOW priority for production applications.

Previous
Store Event Handlers in Refs
Next
Prevent Waterfall Chains in API Routes