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JAVASCRIPT Snippets.

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

JAVASCRIPT

Create a Custom Vue 3 Directive for Auto-Focus

Discover how to build a reusable custom directive in Vue 3 to automatically focus an input element when it becomes visible or is rendered.

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JAVASCRIPT

Render Modals and Overlays with Vue 3 Teleport

Master the Vue 3 Teleport component to render content outside your component's DOM hierarchy, perfect for accessible modals, tooltips, and notifications.

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JAVASCRIPT

Build a `useClickOutside` Composable in Vue 3

Learn to create a custom Vue 3 composable (`useClickOutside`) to detect clicks outside a specific DOM element, ideal for dropdowns, context menus, and popovers.

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JAVASCRIPT

Implement Centralized Error Handling in Vue 3

Set up robust global error handling in your Vue 3 application using `app.config.errorHandler` and `onErrorCaptured` to catch and manage runtime errors effectively.

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JAVASCRIPT

useApiFetch Hook for Robust Data Fetching in React

A custom React hook to simplify API data fetching, handling loading states, errors, and data caching with a clean, reusable interface for any REST API endpoint.

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JAVASCRIPT

Implement API Pagination with Vanilla JavaScript

Learn how to fetch and display paginated data from a REST API using vanilla JavaScript, including managing current page, total pages, and navigation controls.

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JAVASCRIPT

Securely Manage API Keys in Node.js with Environment Variables

Learn the best practice for protecting sensitive API keys in Node.js applications using environment variables and the popular `dotenv` package to prevent hardcoding.

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JAVASCRIPT

Create a Simple Webhook Receiver in Node.js with Express

Build a basic webhook endpoint using Express.js to receive and process real-time data from external services, perfect for event-driven architectures.

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JAVASCRIPT

Persist React State with useLocalStorage Hook

Learn how to create a custom React hook, useLocalStorage, to automatically synchronize and persist component state with the browser's local storage.

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JAVASCRIPT

Manage Timed Intervals with useInterval React Hook

Learn to create a robust useInterval React hook that safely executes a callback function repeatedly after a specified delay, mimicking setInterval within React's lifecycle.

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JAVASCRIPT

Simplify Async Operations with useAsync React Hook

Build a versatile useAsync React hook to manage asynchronous data fetching or any promise-based operation, gracefully handling loading states, successful data, and errors.

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JAVASCRIPT

Validate URL with Regex

Use a reliable regex pattern to validate web URLs, checking for valid protocols (http/https), domain names, and optional paths or query parameters.

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