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JAVASCRIPT Snippets.

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

JAVASCRIPT

React `useIntersectionObserver` Hook for Scroll Tracking

Implement lazy loading, infinite scroll, or "in view" tracking efficiently in React with the `useIntersectionObserver` hook, improving performance.

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JAVASCRIPT

React `useEventListener` Hook for Global Events

Safely add and remove event listeners to the window, document, or any ref in React with the `useEventListener` hook, preventing memory leaks.

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JAVASCRIPT

Vue 3 Pinia State Management for Global Data

Learn to set up and use Pinia for Vue 3 state management. This snippet demonstrates creating a store, accessing state, and modifying it across components.

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Vue 3 Router Navigation Guards for Authentication

Implement Vue Router navigation guards in Vue 3 to protect routes and control access. This snippet shows how to create a global `beforeEach` guard for authentication.

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Vue 3 Element Transitions with <Transition>

Animate elements entering and leaving the DOM in Vue 3 using the built-in `<Transition>` component. This snippet shows a basic fade transition example.

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Customizing v-model for Reusable Vue 3 Input Components

Learn to implement `v-model` on your custom Vue 3 components, enabling seamless two-way data binding. This snippet creates a reusable text input component.

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Vue 3 Dark Mode Toggle with Local Storage Persistence

Implement a persistent dark mode toggle in Vue 3 using reactive state and browser local storage. This snippet saves user preference across sessions.

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Create Reusable Logic with Vue 3 Composition API Composables

Build custom composable functions in Vue 3 to encapsulate and reuse reactive state and logic across multiple components, improving code organization.

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Render Dynamic and Asynchronous Components in Vue 3

Learn to dynamically switch between different Vue components at runtime and implement lazy loading for components to optimize performance.

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Use Vue 3 Teleport for Modals and Global Overlays

Render component content outside its parent hierarchy with Vue 3's Teleport. Perfect for creating accessible modals, tooltips, and notifications.

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Implement Custom Directives for Advanced DOM Manipulation in Vue 3

Create custom Vue 3 directives to encapsulate low-level DOM manipulation, such as focusing elements or handling specific attribute bindings, cleanly.

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React `useDebounce` Hook for Input Throttling

Implement a custom React `useDebounce` hook to delay execution of a function until a certain time has passed without further calls, optimizing performance for search inputs and API requests.

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