The Ultimate
Snippet Library.

Toggling CSS Classes and Inline Styles

Discover how to add, remove, or toggle CSS classes and apply inline styles to DOM elements using vanilla JavaScript for dynamic styling.

Efficiently Traversing the DOM Tree

Master DOM traversal techniques using properties like parentElement, children, nextElementSibling, and previousElementSibling to navigate the DOM structure.

Removing Elements from the DOM

Learn how to programmatically remove elements from the web page using removeChild or the simpler remove() method for dynamic content management.

Managing Element Attributes (Data attributes, href, src, etc.)

Understand how to dynamically get, set, and remove attributes on DOM elements using getAttribute, setAttribute, and removeAttribute methods.

Dynamic Event Listener Management with useEventListener Hook

A custom React hook to simplify adding and removing event listeners dynamically, ensuring proper cleanup on component unmount to prevent memory leaks.

Robust Form Management and Validation with useForm Hook

A custom React hook built with `useReducer` to manage complex form states, handle input changes, and implement validation logic efficiently.

Accessibility-Friendly Focus Trap with useFocusTrap Hook

Implement an accessible focus trap within any React component (e.g., modals) to keep keyboard focus confined, enhancing user experience.

Track Window Scroll Position with useScrollPosition Hook

A versatile React hook to efficiently track the scroll position of the window, enabling dynamic UI elements based on scrolling.

Efficient Input Handling with useDebounce Hook

Optimize React component performance by debouncing state updates for user inputs like search fields, preventing excessive re-renders and API calls.

Accessing Previous Prop or State Values with usePrevious Hook

Implement a custom React hook to easily access the previous value of any prop or state variable, useful for comparing changes in `useEffect` or other logic.

Lazy Loading and Visibility Detection with useIntersectionObserver Hook

Efficiently detect when an element enters or exits the viewport using the `IntersectionObserver` API wrapped in a custom React hook for lazy loading images or infinite scrolling.

Managing Async Operations and Data Fetching with useAsync Hook

Create a robust custom React hook to handle asynchronous operations, providing loading, error, and data states for cleaner and more reusable data fetching logic.