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What is greensock-js?

skevy/greensock-js — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2015-05-22

★ 2JavaScriptAudience · developerComplexity · 2/5DormantSetup · easy

In one sentence

GSAP is a fast, GPU-accelerated JavaScript animation library for smoothly animating anything on a webpage, from elements to raw numbers.

Mindmap

mindmap
  root((repo))
    What it does
      Animates web elements
      Chains and sequences animations
      Animates any JS number
    Tech stack
      JavaScript
      GPU acceleration
    Use cases
      Marketing site animations
      Animated dashboard charts
      Draggable interfaces
    Audience
      Web designers
      Frontend developers
    Ecosystem
      Draggable plugin
      Community forum
      Paid club membership

Code map

Detail Auto

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filefunction / class

What do people build with it?

USE CASE 1

Animate elements smoothly into view as a user scrolls down a marketing page.

USE CASE 2

Build animated dashboard charts and counters that update numbers with motion.

USE CASE 3

Create draggable interfaces using the companion Draggable plugin.

USE CASE 4

Chain and sequence multiple animations to build polished button and screen transitions.

What is it built with?

JavaScriptGSAP

How does it compare?

skevy/greensock-js3imed-jaberi/cryptography-si-isamm3imed-jaberi/koa-isomorphic-router
Stars222
LanguageJavaScriptJavaScriptJavaScript
Last pushed2015-05-222021-09-252021-02-06
MaintenanceDormantDormantDormant
Setup difficultyeasyeasyeasy
Complexity2/51/52/5
Audiencedeveloperresearcherdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

Copy-paste prompts

Prompt 1
Show me how to animate an element from one position to another using GSAP.
Prompt 2
Help me chain multiple GSAP animations so one starts after another finishes.
Prompt 3
Explain how to animate a number counter on a dashboard using GSAP instead of just CSS properties.
Prompt 4
Walk me through adding the GSAP Draggable plugin to make an element draggable on my page.

Frequently asked questions

What is greensock-js?

GSAP is a fast, GPU-accelerated JavaScript animation library for smoothly animating anything on a webpage, from elements to raw numbers.

What language is greensock-js written in?

Mainly JavaScript. The stack also includes JavaScript, GSAP.

Is greensock-js actively maintained?

Dormant — no commits in 2+ years (last push 2015-05-22).

How hard is greensock-js to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is greensock-js for?

Mainly developer.

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