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JAVASCRIPT Snippets.

Robust API Error Handling with `fetch` and `async/await`

Learn to build robust API calls using JavaScript's `fetch` API, `async/await`, and comprehensive error handling for network issues and HTTP status codes.

Implement API Request Retry with Exponential Backoff

Build a robust client-side API integration by implementing an exponential backoff retry mechanism for failed `fetch` requests, improving reliability.

Consuming a GraphQL API with Apollo Client (React)

Integrate a GraphQL API into your React application using Apollo Client, performing queries and displaying data efficiently.

Processing Incoming Webhooks with Node.js and Express

Learn to set up a Node.js Express server to securely receive and process incoming webhooks, including signature verification for data integrity.

Handling File Uploads to a REST API with `FormData`

Implement robust file uploads to a REST API from the browser using JavaScript's `FormData` and the `fetch` API, supporting multiple files.

Managing Async Operations with `useAsync`

A custom React hook for handling asynchronous operations like API calls, providing loading, error, and data states in a reusable pattern.

Throttling Function Calls with `useThrottledCallback`

Create a custom React hook to throttle function calls, ensuring a callback fires at most once within a specified time window, preventing excessive re-renders.

Efficient Array State Management with `useArray`

A custom React hook for managing array state with convenient methods like `add`, `remove`, `update`, and `clear`, simplifying list manipulations.

Detecting Network Status with `useNetworkStatus`

A custom React hook to detect and manage the current online or offline network status of the browser, useful for responsive UI and data syncing.

Tracking Scroll Position with `useScrollPosition`

A custom React hook to track the current vertical and horizontal scroll position of the window or a specified element, useful for scroll-based UI effects.

Debounce State Changes with `useDebounce`

Create a custom React hook, `useDebounce`, to delay updating a state value, optimizing performance for fast-changing inputs like search fields and resize events.

Detect Clicks Outside an Element with `useClickOutside`

Implement a `useClickOutside` React hook to detect when a user clicks anywhere outside a specified DOM element, useful for closing modals, dropdowns, and context menus.