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JAVASCRIPT Snippets.

Performing a Basic GET Request with Async/Await

Learn to make an asynchronous GET request to an API using modern JavaScript fetch API, including essential error handling and async/await syntax for cleaner code.

Sending Authenticated POST Requests with JSON Payload

Discover how to send a POST request to an API with JSON data, applying a Bearer token for authentication using the JavaScript fetch API and proper headers.

Uploading Files to an API using FormData

Learn to securely upload files like images or documents to a REST API endpoint using JavaScript's fetch API and the FormData object for multipart/form-data.

Canceling Pending API Requests with AbortController

Improve user experience and optimize network usage by learning to cancel pending fetch API requests using the AbortController in JavaScript, preventing stale data.

Retrying Failed API Calls with Exponential Backoff

Build more resilient web applications by implementing an exponential backoff strategy to automatically retry failed API requests gracefully after transient network issues.

Getting the Previous Value of State or Props with usePrevious Hook

Learn to create a custom React hook, `usePrevious`, to easily access the prior value of any state or prop, essential for comparisons and lifecycle logic.

Detecting Clicks Outside an Element with useClickOutside Hook

Implement a custom React `useClickOutside` hook to trigger a callback when a user clicks outside a specified DOM element, perfect for dropdowns and modals.

Tracking Window Dimensions with useWindowSize Hook

Create a `useWindowSize` React hook to efficiently track and respond to changes in the browser window's width and height, crucial for responsive UIs.

Implementing Repeating Actions with useInterval Hook

Build a custom `useInterval` React hook to execute a callback function repeatedly after a fixed delay, similar to `setInterval` but with clean React lifecycle management.

Debugging React Re-renders with useWhyDidYouRender Hook

Discover how to create `useWhyDidYouRender`, a powerful debugging React hook that logs prop and state changes causing unnecessary component re-renders.

Creating a Reusable Data Fetching Composable

Learn how to build a custom Vue 3 Composable to encapsulate asynchronous data fetching logic, providing reactivity, loading states, and error handling for cleaner components.

Implementing Global State Management with Pinia

Discover how to set up and use Pinia, the recommended state management library for Vue 3, to create a centralized store for managing global application state efficiently.