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JAVASCRIPT Snippets.

Curated list of production-ready JAVASCRIPT scripts and coding solutions.

JAVASCRIPT

Extracting Hex Color Codes

Discover how to efficiently extract all valid hex color codes (3-digit or 6-digit) from any string using JavaScript regular expressions for styling or parsing.

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JAVASCRIPT

Sanitizing Script Tags from User Input

Prevent basic Cross-Site Scripting (XSS) by removing script tags and their content from user input using a JavaScript regular expression for initial sanitization.

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JAVASCRIPT

Vue 3 Programmatic Navigation with Vue Router 4

Implement programmatic navigation using `router.push`, `router.replace`, and `router.go` in Vue 3 applications with Vue Router 4 for dynamic route changes.

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JAVASCRIPT

Vue 3 Custom Directive for Auto-Focus

Create a reusable custom Vue 3 directive to automatically focus an input element when a component is mounted or when the element becomes visible, improving UX.

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JAVASCRIPT

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.

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JAVASCRIPT

React useMediaQuery Hook for Responsive Designs

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

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JAVASCRIPT

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.

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JAVASCRIPT

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.

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JAVASCRIPT

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.

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JAVASCRIPT

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.

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JAVASCRIPT

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.

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JAVASCRIPT

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()`.

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