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inorganik/countUp.js ★ 8156 1352 APPLICATION

CountUp.js is a dependency-free, lightweight JavaScript library that animates numerical values by counting to them. It provides a CountUp class that can be initialized with a target element and end value, then animated using requestAnimationFrame with configurable easing, formatting, and duration. The library supports counting in both directions, smart easing for large numbers, auto-animation when elements become visible via IntersectionObserver, and a plugin system for custom rendering animations (like odometer effects). It's implemented in TypeScript with comprehensive tests and produces distributable ES module, UMD, and minified formats.

RATING: 9.2/10 MAINT: active DRIFT: low
#animation-library #countup #number-animation #frontend-utility #typescript #plugin-system #intersection-observer #smart-easing
▸ 3 reusable components found
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