Premium
JAVASCRIPT Snippets.

Custom useDebounce Hook for React

Create a reusable React hook to debounce any value, preventing excessive re-renders or API calls. Ideal for search inputs, window resizing, and event handling.

Custom useLocalStorage Hook for React State Persistence

Persist React state in the browser's local storage with this custom hook. Automatically synchronize state changes and retrieve initial values on component mount.

Custom useOnClickOutside Hook for React Components

Detect clicks outside of a specific React component with this custom hook. Perfect for closing modals, dropdowns, or tooltips when a user clicks elsewhere on the page.

Custom useFetch Hook for Asynchronous Data in React

Simplify data fetching in React components with this custom hook. Manages loading, error, and data states for API requests, making your fetch logic clean and reusable.

Custom usePrevious Hook to Track Previous State in React

Access the previous value of any prop or state in a React component using this custom hook. Useful for comparing current and past values in `useEffect` or other logic.

Implement API Rate Limiting in Node.js with Express and express-rate-limit

Prevent brute-force attacks, DDoS, and API abuse by implementing robust API rate limiting in your Node.js Express applications using the 'express-rate-limit' middleware.

HTML Escaping for XSS Prevention in JavaScript

Discover how to effectively escape user-supplied strings before rendering them in HTML to prevent Cross-Site Scripting (XSS) vulnerabilities in modern web applications.

Implementing a Strong Content Security Policy (CSP)

Protect your web application from XSS and data injection by configuring a robust Content Security Policy (CSP) HTTP header using Helmet in an Express.js application.

Efficient Computed Properties with Getters/Setters in Vue 3

Learn to create powerful Vue 3 computed properties with both a getter and a setter, enabling two-way data binding and derived state manipulation effectively.

Using Deep and Immediate Watchers in Vue 3

Master Vue 3 watchers by leveraging `deep` and `immediate` options to observe changes in nested object properties and execute callbacks on initial component render.

Creating a Reusable Mouse Tracking Composable in Vue 3

Build a custom Vue 3 composable to encapsulate and reuse mouse position tracking logic across multiple components, enhancing modularity and code reuse.

Managing Event Listeners with Vue 3 Lifecycle Hooks

Use `onMounted` to add and `onBeforeUnmount` to clean up event listeners in Vue 3 components, preventing memory leaks and ensuring proper resource management.