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JAVASCRIPT Snippets.

Implementing Repeating Actions with useInterval Hook

Build a custom `useInterval` React hook to execute a callback function repeatedly after a fixed delay, similar to `setInterval` but with clean React lifecycle management.

Debugging React Re-renders with useWhyDidYouRender Hook

Discover how to create `useWhyDidYouRender`, a powerful debugging React hook that logs prop and state changes causing unnecessary component re-renders.

Creating a Reusable Data Fetching Composable

Learn how to build a custom Vue 3 Composable to encapsulate asynchronous data fetching logic, providing reactivity, loading states, and error handling for cleaner components.

Implementing Global State Management with Pinia

Discover how to set up and use Pinia, the recommended state management library for Vue 3, to create a centralized store for managing global application state efficiently.

Dynamically Rendering Components with <component :is>

Learn how to use Vue 3's `<component :is="componentName">` syntax to dynamically switch between different components at runtime, enabling flexible and modular UI development.

Implementing Modals with Vue 3 Teleport

Master Vue 3's `Teleport` feature to render components like modals, notifications, or tooltips into a different part of the DOM tree, outside the parent component's hierarchy.

Creating a Reusable Error Boundary Component

Build a robust error boundary component in Vue 3 to gracefully catch and display errors from its child components, preventing crashes and improving user experience.

Create and Append a New DOM Element

Learn to dynamically create new HTML elements and append them to the DOM using JavaScript, essential for interactive web applications.

Remove a Specific Element from the DOM

Master removing any HTML element from the document object model using JavaScript, a crucial skill for managing dynamic content on your web pages.

Toggle a CSS Class on a DOM Element

Efficiently add or remove a CSS class from an HTML element using JavaScript's classList API, perfect for interactive styling and dynamic UI changes.

Get and Set Values of Form Input Elements

Learn to programmatically retrieve and update values of form input fields, textareas, and selects using JavaScript DOM manipulation.

Debounce a Value with the useDebounce Hook

Learn to create a useDebounce React hook to delay state updates, perfect for optimizing search inputs and preventing excessive re-renders or API calls.