Back to React pack
React card reviewmedium

What is useRef and when should you use it?

useRef creates a mutable reference that persists across renders. It is commonly used to access DOM elements, store mutable values, or avoid unnecessary re-renders.

Related Drills

What is the Virtual DOM and how does React use it to render pages?

Study card

Explain the difference between useEffect hooks and useLayoutEffect hooks.

Study card

What is the Virtual DOM in React?

Study card
JB

Jeevan Bhargav

Audited by Creator

This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.