Premium
JAVASCRIPT Snippets.

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

JAVASCRIPT

Dynamic and Asynchronous Components in Vue 3

Learn how to dynamically render components based on data using Vue's `is` attribute and improve performance with asynchronous components, loading them only when needed.

View Snippet →
JAVASCRIPT

Reactive Side Effects with Vue 3 watchEffect

Explore Vue 3's `watchEffect` to automatically re-run side effects whenever its reactive dependencies change, offering a simpler API for certain observation scenarios than `watch`.

View Snippet →
JAVASCRIPT

Implement a Custom `v-focus` Directive in Vue 3

Learn to create a reusable custom Vue 3 directive, `v-focus`, to automatically focus an input element when it's rendered or updated, enhancing user forms.

View Snippet →
JAVASCRIPT

Create a Reusable Modal Component with Vue 3 Teleport

Build an accessible, reusable modal component in Vue 3 that teleports its content to a separate DOM location, ensuring proper layering and accessibility.

View Snippet →
JAVASCRIPT

Implement Dynamic Theming with Vue 3 Provide/Inject and CSS Variables

Set up a flexible dynamic theming system in Vue 3 using the Composition API's `provide` and `inject` alongside CSS variables for easy style management.

View Snippet →
JAVASCRIPT

Build a Vue 3 Composable for Detecting Clicks Outside an Element

Develop a reusable Vue 3 Composition API composable, `useClickOutside`, to detect clicks outside a specified element, useful for dropdowns or modals.

View Snippet →
JAVASCRIPT

Programmatic Scroll Control and Scroll-to-Element Composable in Vue 3

Learn to create a Vue 3 composable for programmatically scrolling to specific elements or to the top/bottom of the page with smooth animations.

View Snippet →
JAVASCRIPT

Build a Simple State Management Solution with Vue 3 Composable and Provide/Inject

Create a lightweight, modular state management pattern in Vue 3 using a Composable with `provide` and `inject` for global access without prop drilling.

View Snippet →
JAVASCRIPT

Optimize Performance with useMemo for Expensive Calculations

Learn how to use React's useMemo hook to memoize the result of expensive calculations, preventing unnecessary re-renders and improving component performance.

View Snippet →
JAVASCRIPT

Prevent Unnecessary Re-renders with useCallback

Discover how React's useCallback hook helps optimize child component rendering by providing a memoized version of callback functions, crucial for React.memo.

View Snippet →
JAVASCRIPT

Custom useIntersectionObserver Hook for Element Visibility

Create a custom React hook, useIntersectionObserver, to efficiently detect when an element enters or exits the viewport, perfect for lazy loading and scroll animations.

View Snippet →
JAVASCRIPT

Custom useWindowSize Hook for Responsive Layouts

Build a custom React hook, useWindowSize, to track the real-time width and height of the browser window, enabling dynamic responsive components and layouts.

View Snippet →