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JAVASCRIPT Snippets.

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

JAVASCRIPT

Persist State with a `useLocalStorage` React Hook

Create a custom `useLocalStorage` hook to effortlessly synchronize React component state with the browser's local storage for data persistence.

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JAVASCRIPT

Get the Previous Value of State or Prop with `usePrevious`

Create a custom React `usePrevious` hook to easily track and access the prior value of any state variable or prop between renders.

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JAVASCRIPT

Track Window Dimensions with a `useWindowSize` Hook

Implement a `useWindowSize` React hook to get real-time width and height of the browser window, enabling dynamic and responsive UI adjustments.

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JAVASCRIPT

Implement Server-Side API Rate Limiting

Prevent abuse and control traffic to your API by implementing server-side rate limiting using middleware in Node.js with Express, ensuring fair resource usage.

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JAVASCRIPT

Fetch and Display Paginated API Data

Learn to fetch and display paginated data from a REST API in a React application. Implement navigation buttons for previous and next pages to enhance user experience.

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JAVASCRIPT

Verify Webhook Signatures for Security

Enhance webhook security by implementing signature verification in Node.js. Validate incoming requests to ensure they originate from trusted sources, preventing spoofing and tampering.

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JAVASCRIPT

Optimize API Calls by Batching Requests

Improve application performance and reduce network overhead by batching multiple related API requests into a single optimized call using Promise.all in JavaScript.

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JAVASCRIPT

Integrate GraphQL with React using Apollo Client

Seamlessly integrate GraphQL APIs into your React application using Apollo Client. Learn to perform queries and display data from your GraphQL endpoint efficiently.

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JAVASCRIPT

Sanitize Text by Removing HTML Tags

Effectively remove all HTML tags from a string using a simple regular expression in JavaScript, useful for content sanitization.

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JAVASCRIPT

Create a Comprehensive `useForm` Hook for React

Learn to build a robust `useForm` hook in React for managing complex form states, including multiple inputs, dynamic validation, submission, and error handling, simplifying form development and improving user experience.

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JAVASCRIPT

Manage Complex State with `useReducer` Hook

Efficiently manage intricate state logic in React components using the `useReducer` hook. This snippet demonstrates its power for handling multiple state transitions cleanly, providing a predictable state container pattern similar to Redux.

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JAVASCRIPT

Detect Element Visibility with `useIntersectionObserver` Hook

Implement a custom `useIntersectionObserver` hook in React to efficiently detect when an element enters or exits the viewport, perfect for lazy loading images, implementing infinite scrolling, or triggering animations as elements become visible.

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