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JAVASCRIPT Snippets.

Validate Password Strength with Regex Criteria

Implement a strong password validation using a regular expression in JavaScript, requiring uppercase, lowercase, digits, special characters, and minimum length.

Remove HTML Tags from String with Regex

Clean a string by removing all HTML tags using a regular expression in JavaScript, useful for sanitizing user-generated content.

Implement a Custom useDebounce Hook for React

Learn to create a reusable React useDebounce hook to delay state updates, optimizing performance for inputs like search bars and preventing excessive re-renders.

Synchronize React State with Local Storage using useLocalStorage

Create a React useLocalStorage hook to effortlessly persist and retrieve component state across browser sessions, simplifying data management for user preferences or forms.

Adapt React Components with useMediaQuery for Responsive Design

Create a React useMediaQuery hook to dynamically render UI based on CSS media queries, enabling truly responsive components that react to screen size changes.

Build a Simple useForm Hook for React Input Management

Develop a basic React useForm hook to manage input states and handle changes efficiently, streamlining form development for common text inputs.

Enhance Express Security with Helmet.js HTTP Headers

Enhance Node.js Express security by implementing essential HTTP headers with Helmet.js to mitigate common web vulnerabilities like XSS and clickjacking.

Create a Declarative useInterval Hook for React

Manage recurring functions declaratively in React components with a custom `useInterval` hook, handling cleanup and preventing stale closures.

Track Previous State or Prop Values with usePrevious

Implement a custom `usePrevious` hook in React to easily access the previous value of a state variable or prop within your components.

Implement OAuth 2.0 Client Credentials Flow for Server-to-Server API Access

Learn to securely authenticate server-to-server API calls using the OAuth 2.0 Client Credentials grant type in Node.js, ideal for service integrations.

Robust API Request Retries with Exponential Backoff

Enhance API integration reliability by implementing an exponential backoff retry mechanism for failed requests, preventing rate limit issues and transient errors.

Create a Simple Webhook Listener with Node.js and Express

Set up a basic webhook endpoint in Node.js using Express to receive and process real-time events from external services like GitHub or Stripe.