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JAVASCRIPT Snippets.

Vue 3 Suspense for Async Components

Implement elegant loading states for asynchronous components using Vue 3's Suspense, providing a smooth user experience while data or components load.

Vue 3 Custom Directive for Debounced Clicks

Create a reusable Vue 3 custom directive, `v-debounce-click`, to prevent rapid multiple clicks on a button or element, enhancing user interface stability.

Vue 3 Fine-Grained Reactivity with shallowRef and triggerRef

Optimize performance in Vue 3 by using `shallowRef` for non-deep reactivity and `triggerRef` for explicit updates, controlling reactivity behavior.

Extract Specific HTML Attribute Values

Learn to precisely extract all values of a specific HTML attribute, like 'href' from '<a>' tags, from an HTML string using regular expressions.

Validate US Phone Number Format

Use a JavaScript regular expression to validate various common formats of US phone numbers, including optional dashes, spaces, or parentheses.

Validate Hex Color Codes (RGB/RGBA)

JavaScript regex to validate hex color codes, supporting 3, 6, 4, or 8 digit formats, including optional alpha transparency.

Managing Custom Data Attributes with Element.dataset

Learn how to efficiently store and retrieve custom data on HTML elements using the JavaScript Element.dataset API, simplifying DOM-based state management.

Efficiently Toggling and Managing CSS Classes with classList

Discover how to add, remove, toggle, and check for CSS classes on DOM elements using the modern classList API, streamlining UI interactions.

Accessing and Modifying Form Input Values in JavaScript

Master how to programmatically get values from various form input types like text, checkbox, and select, and dynamically update them using JavaScript.

Programmatically Scrolling an Element into View with Smooth Behavior

Guide users to specific sections of a page by programmatically scrolling any DOM element into the viewport, utilizing smooth scroll behavior for better UX.

Advanced DOM Traversal and Element Selection

Explore powerful JavaScript methods like querySelector, closest, and parentElement to navigate the DOM tree and precisely select target elements for manipulation.

Dynamically Creating and Appending Elements

Learn to dynamically create new HTML elements, set their content, add CSS classes, and append them to the DOM using vanilla JavaScript.