Premium
JAVASCRIPT Snippets.

Curated list of production-ready JAVASCRIPT scripts and coding solutions.

JAVASCRIPT

Implement Programmatic Navigation with Vue Router 4

Guide users through your Vue 3 application programmatically using `router.push()` for redirection and `beforeEach` navigation guards for authentication or data pre-fetching.

View Snippet →
JAVASCRIPT

Create a Reusable Vue 3 Composable for Window Size

Develop a custom Vue 3 composable (`useWindowSize`) to efficiently track and react to real-time changes in the browser window's dimensions across your application, aiding responsive design.

View Snippet →
JAVASCRIPT

Add Essential HTTP Security Headers to Express.js

Enhance your Express.js application's security by adding critical HTTP headers like HSTS, X-Frame-Options, and X-Content-Type-Options to mitigate common web vulnerabilities.

View Snippet →
JAVASCRIPT

Mitigate CSRF with SameSite Cookies in Express.js

Protect your Express.js application from Cross-Site Request Forgery (CSRF) attacks by setting the `SameSite` attribute on your session and authentication cookies.

View Snippet →
JAVASCRIPT

Simple Global Store Composable for Vue 3

Create a reactive global state management system in Vue 3 using the Composition API, offering a lightweight alternative to Vuex or Pinia for smaller applications.

View Snippet →
JAVASCRIPT

Robust Error Boundary Composable for Vue 3

Implement a robust error boundary in Vue 3 using the Composition API to gracefully catch and display errors from child components, preventing app crashes.

View Snippet →
JAVASCRIPT

Advanced Custom Transitions with Vue 3 JavaScript Hooks

Create highly customized element transitions in Vue 3 using <Transition> and JavaScript hooks like `beforeEnter`, `enter`, and `leave` for precise animation control.

View Snippet →
JAVASCRIPT

Reusable Renderless Component for Mouse Position Tracking in Vue 3

Implement a flexible renderless component in Vue 3 (Function as a Child Component pattern) to provide reusable logic like mouse tracking without UI constraints.

View Snippet →
JAVASCRIPT

Advanced Undo/Redo for Reactive State with Vue 3 Composable

Build a robust undo/redo functionality for any reactive state in Vue 3 using a custom composable, enabling history tracking and state restoration.

View Snippet →
JAVASCRIPT

React useDebounce Hook for Input Search and Performance Optimization

Implement a custom `useDebounce` React hook to delay state updates, perfect for optimizing search inputs, preventing excessive API calls, and improving performance.

View Snippet →
JAVASCRIPT

React useLocalStorage Hook for Persisting State Across Sessions

Learn to build a `useLocalStorage` React hook to easily store and retrieve component state from the browser's local storage, perfect for user preferences or persistent data.

View Snippet →
JAVASCRIPT

React useInterval Hook for Self-Cleaning Timers

Create a custom `useInterval` React hook to easily manage `setInterval` functionality, ensuring proper cleanup and preventing memory leaks in your components.

View Snippet →