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JAVASCRIPT Snippets.

Vue 3 Deep and Immediate Watchers

Master deep and immediate watchers in Vue 3's Composition API to effectively react to changes within nested reactive objects or trigger initial effects on data.

React useMediaQuery Hook for Responsive Designs

Dynamically adapt your React components based on CSS media queries, enabling responsive layouts and conditional rendering with ease.

React useWindowSize Hook to Track Browser Dimensions

Get real-time updates on the browser window's width and height in your React components, ideal for responsive UI adjustments.

React useIsomorphicLayoutEffect for SSR-Friendly Layout Effects

Use this custom hook to safely apply `useLayoutEffect` logic in both client-side and server-side rendering environments without warnings.

React useOnClickOutside Hook for Detecting Clicks

Implement a versatile React useOnClickOutside hook to detect clicks outside a specified DOM element, essential for closing modals, dropdowns, or popovers.

React useScrollPosition Hook for Scroll Tracking

Master the React useScrollPosition hook to monitor scroll coordinates, empowering effects like sticky headers, progress bars, or scroll-to-top buttons.

Efficient Bulk DOM Insertion with DocumentFragment

Optimize performance when adding many new elements to the DOM by using a DocumentFragment. This reduces reflows and repaints, improving UI responsiveness.

Traversing Ancestors and Self with `closest()`

Discover how to efficiently traverse the DOM upwards from a given element to find the nearest ancestor (or itself) that matches a specified CSS selector using `element.closest()`.

Smooth Scrolling an Element into View

Implement smooth, programmatic scrolling to bring any DOM element into the user's viewport, enhancing user experience for navigation or alerts.

Update DOM Element Text, HTML, and Attributes

Learn to modify the text content, inner HTML, or specific attributes of an existing DOM element using vanilla JavaScript methods like `textContent`, `innerHTML`, `setAttribute`, and `removeAttribute`.

Remove Elements from the DOM Safely

Understand how to safely remove an element from the document object model using vanilla JavaScript. Learn to remove a specific element or remove multiple child elements from their parent.

React usePrevious Hook to Track Previous State

Discover how to implement a usePrevious hook in React to easily access the prior value of a prop or state, essential for comparisons within useEffect or other logic.