Professional Animation Libraries for Web Interfaces
animejs, gsap, and velocity-animate are JavaScript engines designed to handle high-performance web animations. gsap is the industry standard for complex sequences, offering robust timeline control and extensive plugin support. animejs provides a lightweight, promise-based API suitable for modern UI effects and SVG manipulation. velocity-animate was a popular tool during the jQuery era but is now considered legacy due to lack of active maintenance and modern feature support.
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Anime.js vs GSAP vs Velocity: Architecture and Performance Compared
Both animejs, gsap, and velocity-animate aim to simplify DOM manipulation through animation, but they differ significantly in architecture, maintenance status, and capability. Let's compare how they handle common engineering challenges.
🎯 Core Syntax and API Design
gsap uses a clear, chainable syntax focused on targets and properties.
- It separates the target selection from the animation properties.
- Supports complex easing and callback structures out of the box.
// gsap: Standard tween
import { gsap } from "gsap";
gsap.to(".box", {
duration: 1,
x: 100,
opacity: 0,
ease: "power2.out"
});
animejs uses a single object configuration for all settings.
- You pass targets and properties into one main function.
- Returns a promise for easy async handling.
// animejs: Standard tween
import anime from "animejs";
anime({
targets: ".box",
translateX: 100,
opacity: 0,
duration: 1000,
easing: "easeOutQuad"
});
velocity-animate uses a function call attached to elements or standalone.
- Syntax resembles jQuery methods.
- Requires separate handling for promises via external helpers.
// velocity-animate: Standard tween
import Velocity from "velocity-animate";
Velocity(document.querySelector(".box"), {
translateX: 100,
opacity: 0
}, {
duration: 1000,
easing: "easeOutQuad"
});
🎬 Timelines and Sequencing
gsap offers the most powerful timeline system.
- You can nest timelines, label positions, and control playback precisely.
- Ideal for complex sequences like intro screens or interactive stories.
// gsap: Timeline control
import { gsap } from "gsap";
const tl = gsap.timeline();
tl.to(".box", { x: 100 })
.to(".box", { y: 100 }, "+=0.5");
tl.pause(); // Control playback manually
animejs provides a basic timeline object.
- You add animations to the timeline instance.
- Less flexible than GSAP but sufficient for linear sequences.
// animejs: Timeline control
import anime from "animejs";
const tl = anime.timeline();
tl.add({
targets: ".box",
translateX: 100
}).add({
targets: ".box",
translateY: 100
}, "+=500");
tl.pause(); // Basic playback control
velocity-animate relies on sequence arrays or jQuery chaining.
- No native timeline object in the standalone version.
- Complex sequencing requires manual promise chaining or callbacks.
// velocity-animate: Sequence via promises
import Velocity from "velocity-animate";
Velocity(document.querySelector(".box"), { translateX: 100 })
.then(() => {
return Velocity(document.querySelector(".box"), { translateY: 100 });
});
// No native timeline instance to pause or reverse easily
🎨 SVG and Path Animation
gsap requires a plugin for advanced SVG paths.
- The
MotionPathPluginhandles complex curves accurately. - Note: Some advanced plugins require a commercial license.
// gsap: SVG Path
import { gsap } from "gsap";
import { MotionPathPlugin } from "gsap/MotionPathPlugin";
gsap.registerPlugin(MotionPathPlugin);
gsap.to(".circle", {
motionPath: {
path: "#myPath",
align: "#myPath"
}
});
animejs has built-in support for SVG path morphing.
- No extra plugins needed for basic path following.
- Great for icons and simple shape transitions.
// animejs: SVG Path
import anime from "animejs";
anime({
targets: ".circle",
path: anime.motionPath("#myPath"),
easing: "linear"
});
velocity-animate has limited SVG support.
- Primarily designed for DOM elements, not SVG paths.
- Requires manual calculation for path following.
// velocity-animate: SVG (Limited)
import Velocity from "velocity-animate";
// No native path following
// Must animate individual coordinates manually
Velocity(document.querySelector(".circle"), {
cx: 100,
cy: 100
});
🛠️ Maintenance and Long-term Support
gsap is actively maintained with regular updates.
- Backed by a dedicated team and comprehensive documentation.
- Safe choice for long-term enterprise projects.
// gsap: Current ecosystem
// Regularly updated plugins and community support
import { ScrollTrigger } from "gsap/ScrollTrigger";
animejs is maintained but updates are less frequent.
- Open source under MIT license with no commercial restrictions.
- Good for projects that need stability without licensing overhead.
// animejs: Current ecosystem
// Stable MIT license, community driven
import anime from "animejs";
velocity-animate is effectively legacy software.
- Lack of active development means no fixes for modern browser issues.
- Should not be used in new projects — evaluate alternatives instead.
// velocity-animate: Legacy status
// No recent updates or modern feature support
import Velocity from "velocity-animate";
📊 Summary: Key Differences
| Feature | gsap | animejs | velocity-animate |
|---|---|---|---|
| Syntax | 🔹 Chainable, target-based | 🔹 Single object config | 🔹 jQuery-style function |
| Timelines | 🎬 Advanced, nested, labeled | 🎬 Basic, linear | ❌ Manual promise chaining |
| SVG Support | 🎨 Plugin required (some paid) | 🎨 Built-in path morphing | ⚠️ Limited, manual coords |
| License | 📄 Free (standard), Paid (tools) | 📄 MIT (Fully Open) | 📄 MIT (Legacy) |
| Maintenance | ✅ Active | ✅ Active | ❌ Inactive |
💡 The Big Picture
gsap is the professional choice 🏆 — best for complex interactions, scroll effects, and teams needing reliable support. It handles heavy lifting without breaking a sweat.
animejs is the lightweight contender 🪶 — perfect for UI micro-interactions, SVG effects, and projects where bundle size and open source freedom matter most.
velocity-animate is the legacy option 🕸️ — avoid for new work. It served a purpose in the jQuery era but lacks the tools needed for modern web development.
Final Thought: For most professional frontend architectures, gsap provides the safest bet for scalability. If you need something smaller and fully open source, animejs is a solid backup. Leave velocity-animate in the past.
如何选择: animejs vs gsap vs velocity-animate
- animejs:
Choose
animejsif you prefer a lightweight library with a simple promise-based API for UI effects or SVG path morphing. It is ideal for projects that need modern syntax without the licensing complexity or bundle weight of larger engines. - gsap:
Choose
gsapif you need robust timeline control, scroll-triggered animations, or production-grade reliability for complex interfaces. It is the best fit for large-scale applications where performance and long-term support are critical priorities. - velocity-animate:
Do not choose
velocity-animatefor new projects. It lacks active maintenance and modern features required for current web standards. Only consider it if you are maintaining a legacy codebase that already depends on it heavily.
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animejs的README
Anime.js
Anime.js is a fast, multipurpose and lightweight JavaScript animation library with a simple, yet powerful API.
It works with CSS properties, SVG, DOM attributes and JavaScript Objects.
Sponsors
Anime.js is 100% free and is only made possible with the help of our sponsors. Help the project become sustainable by sponsoring us on GitHub Sponsors.
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Get featured here by becoming a GitHub Sponsor.
Usage
Anime.js V4 works by importing ES modules like so:
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V4 Documentation
The full documentation is available here.
V3 Migration guide
You can find the v3 to v4 migration guide here.
NPM development scripts
First, run npm i to install all the necessary packages.
Then, execute the following scripts with npm run <script>.
| script | action |
|---|---|
dev | Watches for changes in src/**/*.js, bundles the ESM version to lib/ and creates type declarations in types/ |
dev:test | Runs dev and test:browser concurrently |
build | Bundles ESM / UMD / CJS / IIFE versions to lib/ and creates type declarations in types/ |
test:browser | Starts a local server and runs all browser-related tests |
test:node | Starts Node-related tests |
open:examples | Starts a local server to browse the examples locally |