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JAVASCRIPT Snippets.

React useClickOutside Hook for Modals and Dropdowns

Learn to create a React useClickOutside custom hook to detect clicks outside a specific element, perfect for closing modals, dropdowns, or popovers.

Simple React useToggle Hook for Boolean State

Implement a useToggle custom hook in React to easily manage boolean states, providing a simple function to switch between true and false values.

React usePrevious Hook to Track Previous State or Prop Values

Create a usePrevious custom hook in React to store and retrieve the previous value of any state or prop, useful for comparing current and past data.

React useWindowSize Hook for Responsive UI Components

Build a React useWindowSize custom hook to efficiently track and respond to changes in the browser window's dimensions, ideal for responsive design.

React useEventListener Hook for Clean Event Management

Learn to create a versatile useEventListener custom hook in React for cleanly attaching and detaching event listeners to DOM elements.

Proxy External API to Bypass CORS and Secure Keys

Learn to create a Node.js proxy server to securely access external APIs, bypass CORS restrictions, and hide sensitive API keys from client-side code.

Manage API Rate Limits with a Client-Side Request Queue

Implement a JavaScript request queue with a fixed delay to prevent hitting API rate limits, ensuring smooth and controlled data fetching from external services.

Verify Webhook Signatures for Secure API Integrations

Secure your Node.js webhook endpoints by implementing signature verification to authenticate payloads and prevent processing of malicious or tampered requests.

Normalize Complex API Responses for UI Consumption

Learn to transform raw, nested API data into a flat, consistent, and easily consumable format, simplifying state management and rendering in your JavaScript frontend.

Initiate OAuth 2.0 Authorization Code Flow from Client

Guide users through the first step of OAuth 2.0 Authorization Code Flow, initiating the redirect to the authorization server to request user consent and an authorization code.

Leveraging Vue 3 Lifecycle Hooks in Composition API

Learn to use essential lifecycle hooks like `onMounted`, `onUpdated`, and `onUnmounted` within Vue 3's Composition API to execute code at specific stages of a component's existence.

Teleporting Vue 3 Component Content to Any DOM Target

Utilize Vue 3's `<Teleport>` component to render a part of your component's template into a different location in the DOM, perfect for modals and notifications.