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JAVASCRIPT Snippets.

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

JAVASCRIPT

Debouncing API Calls for Search Inputs in JavaScript

Optimize API calls from search inputs with a JavaScript debouncing function, preventing excessive requests and improving performance.

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JAVASCRIPT

Creating a Simple Webhook Listener Endpoint in Node.js Express

Set up a basic Node.js Express server to act as a webhook listener, capable of receiving and processing POST requests from external services.

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JAVASCRIPT

Uploading Files to an API with Multipart Form Data in JavaScript

Learn how to correctly construct and send a `multipart/form-data` request with files and additional fields to an API using JavaScript's Fetch API.

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JAVASCRIPT

Vue 3 Pinia Store for Global User Authentication

Learn to implement global state management in Vue 3 using Pinia for user authentication, tracking login status, and user data efficiently across components.

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JAVASCRIPT

Vue 3 Custom Composable for Dark Mode Toggling

Create a reusable Vue 3 composable to manage dark mode state, persist user preference in localStorage, and dynamically apply a 'dark' class to the document body.

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JAVASCRIPT

Vue 3 Dynamic Components with KeepAlive for Tabbed Interfaces

Implement dynamic component rendering in Vue 3 using `<component :is='...' />` and `<KeepAlive>` to maintain component state and improve performance in tabbed UIs.

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JAVASCRIPT

Vue 3 Teleport for Creating Accessible Modals

Learn to use Vue 3's `<Teleport>` feature to render modal content directly into the document body, ensuring proper layering, accessibility, and avoiding CSS overflow issues.

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JAVASCRIPT

Vue 3 Custom Directive for Auto-Focusing an Input

Create a custom Vue 3 directive (`v-focus`) to automatically focus an input element when it is mounted to the DOM, improving user experience for forms and interactive elements.

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JAVASCRIPT

Persist React State in Local Storage with useLocalStorage Hook

Learn how to create a custom React hook to automatically synchronize component state with browser local storage, ensuring data persistence across user sessions.

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JAVASCRIPT

React Responsiveness with useMediaQuery Hook

Implement a custom React hook to detect CSS media query matches, allowing components to adapt their behavior or rendering based on real-time screen size changes.

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JAVASCRIPT

Detect Clicks Outside an Element with useOutsideClick React Hook

Create a reusable React hook to easily detect when a user clicks outside a specified DOM element, perfect for closing modals, dropdowns, or popovers.

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JAVASCRIPT

Access Previous State or Prop Values with usePrevious React Hook

Learn to create a simple yet powerful React hook to keep track of the previous value of any state or prop, useful for comparing changes in your components.

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