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JAVASCRIPT Snippets.

Toggle CSS Classes for Dynamic UI State Management

Efficiently switch UI states by adding or removing CSS classes using `classList.toggle()`, creating interactive and responsive user interfaces with clean and concise code.

Manipulating Element Attributes Beyond Data Attributes

Explore how to get, set, and remove standard or non-standard HTML element attributes dynamically using JavaScript's `getAttribute`, `setAttribute`, and `removeAttribute` methods.

Centralized Global Error Handling in Vue 3

Implement a robust global error handler in Vue 3 to catch unhandled component errors and runtime exceptions, improving application stability and user experience.

Type-Safe Global Event Bus with mitt in Vue 3

Create a robust and type-safe global event bus in Vue 3 using the `mitt` library, enabling flexible communication between loosely coupled components.

Implementing Authentication Route Guards in Vue Router 4

Secure your Vue 3 application routes by implementing global and per-route authentication guards with Vue Router 4, preventing unauthorized access.

Track Previous Prop or State Value with `usePrevious` Hook

Learn to create a custom React hook, `usePrevious`, to easily track and access the previous value of any prop or state variable in your components.

Throttle Function Calls with Custom `useThrottle` React Hook

Optimize performance by creating a custom `useThrottle` hook in React to limit the execution rate of functions like scroll handlers or window resize listeners.

Implement Persistent Dark Mode with `useDarkMode` React Hook

Build a custom `useDarkMode` React hook that manages and persists dark mode state using local storage, providing a seamless user experience across sessions.

Simplified Timers with `useInterval` React Hook

Learn to create a custom `useInterval` React hook for easily setting up and clearing recurring timers, perfect for animations, counters, or polling data.

Batch DOM Updates with DocumentFragment

Learn to use 'DocumentFragment' to group multiple DOM operations and append them to the live DOM in a single step, minimizing reflows and improving performance.

Get and Set Custom Data Attributes

Understand how to use the 'dataset' property to read and write custom data attributes ('data-*') on HTML elements, enabling client-side storage of small pieces of information.

Implementing Robust API Request Retries with Exponential Backoff

Learn how to automatically retry failed API requests with exponential backoff in JavaScript, improving application resilience against transient network issues or server errors.