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JAVASCRIPT Snippets.

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.

Programmatic Focus Control for Improved Accessibility in Vue 3

Learn to programmatically set focus on elements in Vue 3 using template refs and `nextTick` for enhanced accessibility, especially after conditional rendering or state changes.

Mastering Reactive Side Effects with Vue 3's watchEffect

Discover Vue 3's watchEffect for automatically tracking reactive dependencies and running side effects immediately, simplifying data synchronization and cleanup.

Animating Vue 3 Components with the Transition Component

Learn to use Vue 3's built-in <Transition> component to add smooth entering and leaving animations to elements or components based on conditional rendering.

Crafting a Reusable useFetch Composable for API Calls in Vue 3

Build a robust, reusable `useFetch` composable in Vue 3 for handling asynchronous API requests, including loading states, error handling, and reactive data.

Efficiently Append Multiple Elements with DocumentFragment

Optimize DOM manipulation performance by appending multiple new elements at once using a DocumentFragment, reducing reflows and repaints for smoother UI updates.