What is useCallback and why is it useful? useCallback क्या है और यह क्यों उपयोगी है?

const fn = useCallback(() => doSomething(id), [id]);useCallback memoizes function references to reduce unnecessary child re-renders.

Answer

const fn = useCallback(() => doSomething(id), [id]);

useCallback memoizes function references to reduce unnecessary child re-renders.

const fn = useCallback(() => doSomething(id), [id]);

useCallback function references को memoize करता है।

Was this answer clear?

Related questions