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JAVASCRIPT Snippets.

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

JAVASCRIPT

Managing Complex State with useReducer Hook

Learn how to use React's `useReducer` hook for managing complex state logic more effectively than `useState`, ideal for scenarios with multiple related state transitions.

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JAVASCRIPT

Optimizing Callbacks with React's useCallback Hook

Discover how `useCallback` in React helps optimize performance by memoizing event handler functions, preventing unnecessary re-renders of child components in your applications.

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JAVASCRIPT

Direct DOM Interaction with React's useRef for Focus Management

Learn how to use React's `useRef` hook to directly interact with DOM elements, such as managing focus for input fields, useful for accessibility and user experience.

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JAVASCRIPT

Create a Custom useDebounce Hook for Input Fields

Develop a reusable custom React `useDebounce` hook to delay execution of a function until after a certain time has passed without further calls, perfect for search inputs.

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JAVASCRIPT

Persist React State with a Custom useLocalStorage Hook

Implement a custom `useLocalStorage` React hook to easily store and retrieve component state from the browser's local storage, ensuring data persistence across sessions.

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JAVASCRIPT

Reusable Data Fetching Composable with Loading & Error States

Create a robust and reusable data fetching composable in Vue 3 using the Composition API, handling loading, error, and data states efficiently.

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JAVASCRIPT

Global State Management with Pinia Store

Implement a global state management system in Vue 3 using Pinia, Vue's recommended store, for managing user data across your application.

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JAVASCRIPT

Custom V-Model for Two-Way Data Binding on Components

Implement custom `v-model` functionality on your Vue 3 components to enable seamless two-way data binding for complex input or interactive elements.

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JAVASCRIPT

Dynamic Components with Asynchronous Loading

Render components dynamically using `<component :is>` and improve performance with `defineAsyncComponent` for lazy loading in Vue 3 applications.

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JAVASCRIPT

Reusable Modal Component with Teleport and Slots

Build a versatile and accessible modal component in Vue 3, leveraging `Teleport` to render outside the DOM hierarchy and `slots` for flexible content.

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JAVASCRIPT

Sanitize User Input to Prevent XSS Attacks

Learn to sanitize user-generated content on the server-side using DOMPurify in Node.js to effectively prevent Cross-Site Scripting (XSS) vulnerabilities.

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JAVASCRIPT

Configure Secure Session Cookies with HttpOnly, Secure, and SameSite

Learn to configure secure session cookies in an Express.js application by setting HttpOnly, Secure, and SameSite attributes to enhance protection against XSS and CSRF attacks.

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