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JAVASCRIPT Snippets.

Remove HTML Tags from a String (Basic)

Perform basic HTML tag stripping from a string using a simple JavaScript regex. Useful for cleaning text, but not for robust security.

Validate and Format North American Phone Numbers

Validate common North American phone number formats and consistently reformat them using a flexible JavaScript regex with capture groups.

Execute Concurrent API Requests with Promise.all

Learn to simultaneously fetch data from multiple API endpoints using JavaScript's Promise.all, dramatically improving performance and reducing total load times for complex web applications.

Implement Infinite Scrolling for Paginated API Data

Create a seamless infinite scrolling experience on your web page by dynamically fetching and appending paginated data from an API as the user scrolls, optimizing data loading.

Render Dynamic Components in Vue 3

Learn how to dynamically render different components based on data in Vue 3 using the <component :is="..."> element for flexible UI construction.

Create a Custom Directive in Vue 3

Learn to extend Vue's capabilities by creating custom directives for reusable DOM manipulation, like an autofocus directive, in Vue 3 applications.

Use Provide/Inject for Deep Component Communication in Vue 3

Master Vue 3's Provide/Inject to efficiently pass data down a deeply nested component hierarchy without prop drilling, maintaining clean code.

Use Teleport for Modals and Global Elements in Vue 3

Learn how to render component content into a different part of the DOM tree using Vue 3's <teleport> component, ideal for modals and notifications.

Create and Append New HTML Elements to the DOM

Learn how to dynamically create new HTML elements like `div` or `p`, set their text content and attributes, and efficiently append them to an existing parent element in the DOM.

Toggle CSS Class on Multiple Elements for Styling

Discover how to efficiently select multiple DOM elements and toggle a specific CSS class on them, enabling dynamic styling changes like active states or visibility with minimal code.

Remove a Specific Element from the DOM Tree

Understand how to safely and efficiently remove a specific HTML element from the Document Object Model using modern JavaScript methods, detaching it from its parent.

Sanitize User Input to Prevent XSS with DOMPurify (Browser/Node.js)

Protect your web application from Cross-Site Scripting (XSS) attacks by robustly sanitizing untrusted HTML user input using the DOMPurify library before rendering it.