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JAVASCRIPT Snippets.

Copy Text to Clipboard with useCopyToClipboard

Implement a robust `useCopyToClipboard` React hook for easily copying any text to the user's clipboard, providing feedback on success or failure.

Asynchronous Data Fetching in React with `useEffect`

Learn to fetch data from an API in React components using the `useEffect` hook, managing loading states and error handling for robust applications.

Reusable Form Input Management with Custom `useFormInput` Hook

Simplify form state management in React by creating a custom `useFormInput` hook to handle input values and change events across multiple fields.

Complex State Management using React's `useReducer` Hook

Explore how to manage complex component state in React applications more predictably and testably using the `useReducer` hook with a clear reducer function.

Global State with React `useContext` for Theming

Implement a global theme toggle in React using `useContext` and `useState` to share state across components, avoiding prop drilling for cleaner code.

Custom `useList` Hook for Array State Management

Create a powerful custom `useList` hook in React to efficiently manage arrays of items, enabling add, remove, and update operations with ease.

Validating Email Addresses with Regex

Learn to validate email address formats in JavaScript using a robust regular expression, ensuring user input meets standard email criteria for forms.

Validating and Extracting URLs with Regex

Discover how to validate URLs and extract them from text using JavaScript and a regular expression, essential for link handling and content processing.

Enforcing Password Strength with Regex

Implement robust password strength validation in JavaScript using regex to ensure passwords include uppercase, lowercase, numbers, and special characters.

Extracting Hashtags and Mentions from Text

Learn to easily extract hashtags (#) and mentions (@) from user-generated text using JavaScript regex, perfect for social media features.

Cleaning and Sanitizing Text Input with Regex

Effectively clean and sanitize user input by removing extra spaces, HTML tags, or unwanted characters using JavaScript regular expressions.

Efficiently Render Modals and Overlays with Vue 3 Teleport

Learn how to use Vue 3's <Teleport> component to render content (like modals or notifications) into a different DOM location, avoiding styling and z-index issues.