# julianshapiro/velocity

Accelerated JavaScript animation.

Repository: https://github.com/julianshapiro/velocity
Canonical: https://ross.abutalabs.com/products/velocity
Language: JavaScript
License: MIT
License Family: permissive
Last push: 2020-10-24T07:45:51+00:00

## Health v2 (maintenance only)
Score: 23/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 8, longevity 100
- inputs: {"age_days": 4529, "days_push": 2139, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 17201, forks 1513 (observed 2026-08-28T04:11:17.838264+00:00)

## What it is
Velocity is an accelerated JavaScript animation engine for animating DOM elements with better performance than jQuery's animate, supporting color animation, transforms, loops, easings, and SVG. It works standalone or chained with jQuery/Zepto and includes a UI pack with prebuilt transitions.

## Use cases
- animate dom elements with javascript
- fast alternative to jquery animate
- animate colors and css transforms
- add page transitions and ui effects
- animate svg elements
- scroll animations in the browser

## When to choose
- you need high-performance dom animation without heavy frameworks
- you want a drop-in replacement for jquery .animate()
- you need color, transform, or svg animation with easing control

## When to avoid
- you are starting a new project where Web Animations API or CSS animations suffice
- you need a modern actively maintained library
- you are animating canvas or WebGL content

## Facets
- artifact type: library
- maturity: maintenance
- function: animation
- domain: web-development, frontend
- platform: browser
- tags: javascript, dom-animation, jquery-plugin, css-animation, velocity-js, nodejs

## Member repositories
- julianshapiro/velocity (main) score 23

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:17.838264+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:03:28.335682+00:00, confidence not recorded.
  - readme: https://github.com/julianshapiro/velocity (fetched 2026-08-28T04:11:17.838264+00:00, sha d31bc1a69e1d)
- Data as of 2026-08-30T08:39:29.467469+00:00.