Premium
JAVASCRIPT Snippets.

React Hook: useDebounce for Input Values

Learn how to create a custom React hook to debounce any value, useful for optimizing performance in search inputs or frequently updated fields by delaying updates.

React Hook: useInterval for Repeating Actions

Implement a custom React hook `useInterval` to execute a function repeatedly at a set time interval, useful for timers, polling, or animations in your components.

React Hook: useIntersectionObserver for Lazy Loading

Create a custom React hook using the Intersection Observer API to detect when an element enters or exits the viewport, ideal for implementing lazy loading, infinite scrolling, or scroll-triggered animations.

React Hook: useEventListener for DOM Events

Build a versatile React hook `useEventListener` to attach and clean up event listeners dynamically to any DOM element or global object, simplifying event management in your components.

React Hook: useIsMounted for Preventing State Updates on Unmounted Components

Create a React hook `useIsMounted` to track if a component is currently mounted, effectively preventing "Can't perform a React state update on an unmounted component" warnings in asynchronous operations.

Secure Password Hashing with bcrypt (Node.js)

Learn to securely hash and verify user passwords using the bcrypt library in Node.js, an essential practice for protecting sensitive user data against breaches.

Secure HTML Sanitization for User-Generated Content (DOMPurify)

Implement robust HTML sanitization using DOMPurify in JavaScript to safely render user-generated content and prevent XSS attacks in your web applications.

Vue 3 Pinia Store for Global State Management

Learn to manage global application state in Vue 3 using Pinia, Vue's official state management library. Create stores, define state, getters, and actions for reactive data flow.

Vue 3 Composable for Asynchronous Data Fetching

Build a reusable Vue 3 Composable to handle asynchronous data fetching, loading states, and error handling, promoting cleaner and more modular code.

Dynamically Render Components in Vue 3

Implement dynamic component rendering in Vue 3 using the `<component :is='...' />` attribute, enabling flexible UIs that load components conditionally or asynchronously.

Vue 3 Teleport for Modals and Overlays

Use Vue 3's built-in Teleport component to render modals, tooltips, or notifications outside their parent component's DOM hierarchy for cleaner structure.

Creating Custom Directives in Vue 3

Extend Vue 3's functionality by creating custom directives to encapsulate reusable, low-level DOM manipulations, such as auto-focusing elements.