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JAVASCRIPT Snippets.

useDebounce Hook for Input Value Throttling

Learn to create a custom React `useDebounce` hook to delay state updates, perfect for search inputs or any value that needs a pause before triggering actions, optimizing performance.

useLocalStorage Hook for Persisting State

Discover how to create a custom React `useLocalStorage` hook to easily persist and retrieve component state in the browser's local storage, ensuring data persistence across sessions.

usePrevious Hook for Tracking Previous State/Prop Values

Learn to build a simple `usePrevious` hook in React to easily access the prior value of any state or prop, essential for comparing current and past data in `useEffect` and other hooks.

useClickOutside Hook to Detect Outside Clicks

Implement a React `useClickOutside` hook to trigger an action when a user clicks anywhere outside a referenced DOM element, ideal for closing modals, dropdowns, or popovers.

useInterval Hook for Reliable Interval Management

Create a robust `useInterval` React hook to safely manage `setInterval` functions, preventing common closure issues and ensuring proper cleanup for animations, timers, and data polling.

Client-Side OAuth 2.0 Authorization Code Flow

Implement client-side OAuth 2.0 Authorization Code Grant: redirect for consent, then exchange the authorization code for an access token securely.

Integrate Real-time Data with Server-Sent Events (SSE)

Integrate Server-Sent Events (SSE) to establish persistent, one-way connections for real-time data updates from an API, ideal for live dashboards.

Execute a GraphQL Query Using JavaScript Fetch API

Send GraphQL queries to an API endpoint with Fetch. Structure POST requests using a `query` string and optional `variables` for data retrieval or mutations.

Transform Raw API Response to a Client-Side Model

Transform raw, inconsistent API responses into a normalized, predictable client-side data model, simplifying handling and display in your application.

Share Content via Web Share API

Integrate the browser's native Web Share API, allowing users to share text, URLs, or files directly from your web application to other installed services.

Cancelling Pending API Requests to Prevent Race Conditions

Learn how to cancel ongoing fetch requests using AbortController in JavaScript to prevent race conditions and optimize performance in dynamic web applications.

Implementing API Request Debouncing to Limit Excessive Calls

Optimize API performance by debouncing requests in JavaScript. This snippet shows how to prevent excessive API calls, improving responsiveness and reducing server load.