useRef
Explore the useRef Hook in React Native to maintain mutable values between component renders without triggering rerenders. Understand its syntax, practical uses like tracking render counts and focusing input elements, and how it helps manage state changes efficiently in mobile app development.
We'll cover the following...
The useRef Hook is used to persist values between renders of a component. It is used to pass a reference to a mutable value that does not cause a rerender when updated. It can also be used to access DOM elements directly. The useRef Hook is useful when we want to count the number of rerenders caused by an application. We cannot use the useState Hook to count and store the number of rerenders since the useState Hook itself causes the component to rerender. This will just trap us inside an ...