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JAVASCRIPT Snippets.

Curated list of production-ready JAVASCRIPT scripts and coding solutions.

JAVASCRIPT

Programmatic Scroll Control and Scroll-to-Element Composable in Vue 3

Learn to create a Vue 3 composable for programmatically scrolling to specific elements or to the top/bottom of the page with smooth animations.

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JAVASCRIPT

Build a Simple State Management Solution with Vue 3 Composable and Provide/Inject

Create a lightweight, modular state management pattern in Vue 3 using a Composable with `provide` and `inject` for global access without prop drilling.

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JAVASCRIPT

Optimize Performance with useMemo for Expensive Calculations

Learn how to use React's useMemo hook to memoize the result of expensive calculations, preventing unnecessary re-renders and improving component performance.

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JAVASCRIPT

Prevent Unnecessary Re-renders with useCallback

Discover how React's useCallback hook helps optimize child component rendering by providing a memoized version of callback functions, crucial for React.memo.

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JAVASCRIPT

Custom useIntersectionObserver Hook for Element Visibility

Create a custom React hook, useIntersectionObserver, to efficiently detect when an element enters or exits the viewport, perfect for lazy loading and scroll animations.

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JAVASCRIPT

Custom useWindowSize Hook for Responsive Layouts

Build a custom React hook, useWindowSize, to track the real-time width and height of the browser window, enabling dynamic responsive components and layouts.

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JAVASCRIPT

Custom useDebounce Hook for React

Create a reusable React hook to debounce any value, preventing excessive re-renders or API calls. Ideal for search inputs, window resizing, and event handling.

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JAVASCRIPT

Custom useLocalStorage Hook for React State Persistence

Persist React state in the browser's local storage with this custom hook. Automatically synchronize state changes and retrieve initial values on component mount.

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JAVASCRIPT

Custom useOnClickOutside Hook for React Components

Detect clicks outside of a specific React component with this custom hook. Perfect for closing modals, dropdowns, or tooltips when a user clicks elsewhere on the page.

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JAVASCRIPT

Custom useFetch Hook for Asynchronous Data in React

Simplify data fetching in React components with this custom hook. Manages loading, error, and data states for API requests, making your fetch logic clean and reusable.

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JAVASCRIPT

Custom usePrevious Hook to Track Previous State in React

Access the previous value of any prop or state in a React component using this custom hook. Useful for comparing current and past values in `useEffect` or other logic.

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JAVASCRIPT

Implement API Rate Limiting in Node.js with Express and express-rate-limit

Prevent brute-force attacks, DDoS, and API abuse by implementing robust API rate limiting in your Node.js Express applications using the 'express-rate-limit' middleware.

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