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react-waypoint is a set of React components and wrappers designed to execute callbacks when specific DOM elements enter or exit the visible screen area. It functions as a viewport visibility tracker that monitors when elements cross predefined spatial boundaries. The project provides a scroll trigger component and event wrapper that allow for custom offset configurations to account for fixed UI elements. These tools can be configured to use a specific DOM node or the global window as the scrollable ancestor for visibility calculations. The library covers several implementation patterns, incl
Sal is a lightweight vanilla JavaScript library designed to trigger CSS animations and execute custom logic as elements enter the browser viewport. It serves as a programmatic wrapper for the Intersection Observer API, providing a viewport trigger system to handle visibility thresholds and scroll-based animations. The library operates as a dependency-free frontend tool that manages animations through a class-based trigger mechanism and the injection of CSS custom properties. It includes a system for tracking dynamic content, allowing the observer to be updated to include new elements injected
react-waypoint is a React component and viewport tracking tool that executes functions based on the visibility of a DOM node within a scrollable area. It monitors when elements enter or leave the browser viewport or a specified scroll container to trigger callbacks. The project enables the implementation of infinite scrolling, asset lazy loading, and scroll-triggered animations. It allows for custom scroll container definitions and viewport boundary configurations using offsets to determine exactly when events fire. The tool provides element position tracking and visibility monitoring for bo
vue-lazyload is a Vue.js image lazy loading plugin and frontend asset optimizer. It serves as a viewport visibility observer that defers the loading of images and components until they enter the browser viewport to reduce initial page load times. The project functions as a progressive image loader by managing image placeholders and implementing dynamic source switching. It uses a browser API to monitor when elements enter the viewport, avoiding expensive scroll event listeners to maintain performance. The plugin provides capabilities for image loading state tracking, including custom placeho
in-view is a DOM visibility detector and intersection observer wrapper. It serves as a viewport transition handler that triggers callbacks and events when specific screen elements enter or exit the browser window.
The main features of camwiegert/in-view are: Intersection Observer Wrappers, Viewport Boundary Triggers, Viewport Transition Handlers, DOM Visibility Detectors, Element Visibility Detection, Custom Visibility Predicates, Viewport Offset Calculators, Visibility Trigger Configurators.
Projects with overlapping indexed features include: brigade/react-waypoint — react-waypoint is a set of React components and wrappers designed to execute callbacks when specific DOM elements… mciastek/sal — Sal is a lightweight vanilla JavaScript library designed to trigger CSS animations and execute custom logic as… civiccc/react-waypoint — react-waypoint is a React component and viewport tracking tool that executes functions based on the visibility of a… hilongjw/vue-lazyload — vue-lazyload is a Vue.js image lazy loading plugin and frontend asset optimizer. It serves as a viewport visibility… thebuilder/react-intersection-observer — react-intersection-observer is a React implementation of the Intersection Observer API designed to track when DOM… verlok/vanilla-lazyload — vanilla-lazyload is a JavaScript lazy loading library and viewport-based asset loader designed to improve page load…