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react Topics

Interview Q&A
Single Page ApplicationVirtual DOMJSX (JavaScript XML)React ComponentsClass ComponentsClass vs Functional ComponentsProps (Properties)State vs PropsConditional RenderingLists and KeysFragments and PortalsComponent LifecycleuseState HookuseEffect HookuseContext HookuseRef HookuseReducer HookCustom HooksPerformance OptimizationReact memouseMemo HookuseCallback HookState ManagementContext APIRedux ToolkitRedux Data FlowBig O Notation & ComplexityReact Query AdvancedReact Router OverviewBrowserrouterRoutesandrouteLinknavlinkUsenavigatehookUseparamshookHigher Order Components (HOC)Error BoundariesReact Server ComponentsReconciliation and FiberRefs and forwardRefReact Flow
Mastery Points
0

useRef Hook in react

Context & Logic

useRef returns a mutable ref object whose .current property persists for the lifetime of the component. It's used to access DOM elements directly or store mutable values that don't trigger re-renders when changed.

Example

const inputRef = useRef(null);
const focusInput = () => inputRef.current.focus();
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