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Learn Animejs - 10 Code Examples & CST Typing Practice Test

Anime.js is a lightweight JavaScript animation library that enables developers to create smooth, complex, and performant animations on the web. It works with CSS properties, SVG, DOM attributes, and JavaScript objects.

View all 10 Animejs code examples →
Simple Anime.js AnimationBounce AnimationRotate AnimationScale PulseColor ChangeTranslate XYTimeline ExampleStaggered AnimationElastic AnimationRotate and Scale

Learn ANIMEJS with Real Code Examples

Updated Nov 26, 2025

Explain

Anime.js allows precise control over animations with timelines, easing functions, and callbacks.

It supports animating numeric CSS properties, SVG elements, DOM attributes, and JavaScript objects.

Developers can chain and synchronize animations with timelines for complex sequences.

It is framework-agnostic and can be used with vanilla JS, React, Vue, or Angular.

Anime.js handles browser inconsistencies and ensures smooth performance via requestAnimationFrame.

Core Features

animate() - main function for creating animations

timeline() - sequences and sync multiple animations

Easing functions (linear, spring, elastic, etc.)

Keyframes support for multi-step animations

Play, pause, reverse, restart controls

Basic Concepts Overview

Target - the element or object to animate

Property - CSS, attribute, or JS property to animate

Duration - time in milliseconds

Easing - interpolation function for smooth motion

Timeline - sequence multiple animations in order

Project Structure

index.html - DOM or SVG elements to animate

main.js - anime.js scripts

styles.css - optional CSS styling

assets/ - images or SVGs used in animation

utils/ - helper functions for animation logic

Building Workflow

Select DOM/SVG elements or JS objects

Define animation properties and values

Set duration, easing, and delay

Optionally create a timeline for multiple animations

Start animation with anime() or timeline.play()

Difficulty Use Cases

Beginner: animate a div moving across the screen

Intermediate: SVG path morphing

Advanced: timeline with multiple synchronized animations

Expert: dynamic animations triggered by user input or scroll

Architect: complex UI animation system for web apps

Comparisons

Anime.js vs GSAP: Anime.js lightweight, GSAP more features

Anime.js vs Velocity.js: Anime.js modern, Velocity older

Anime.js vs CSS animations: Anime.js more control and sequencing

Anime.js vs Framer Motion: Anime.js JS-based, Framer Motion React-specific

Anime.js vs Three.js animation: Anime.js for DOM/SVG, Three.js for 3D objects

Versioning Timeline

2015 - Anime.js created by Julian Garnier

2016 - First major release with CSS/SVG support

2018 - Timeline API introduced

2020 - Framework integrations and updates

2024-2025 - Performance improvements and minor updates

Glossary

Targets - elements or JS objects to animate

Timeline - sequence multiple animations

Keyframes - define intermediate animation steps

Easing - function controlling transition speed

Loop - repeat animation continuously

Installation Setup

Install via npm: npm install animejs

Or include via CDN: <script src='https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js'></script>

Import anime in JS: import anime from 'animejs/lib/anime.es.js'

Add HTML or SVG elements to animate

Initialize animations via anime() calls

Environment Setup

Modern browser with ES6 support

Optional npm/yarn for package management

HTML or SVG elements ready for animation

JavaScript runtime environment

Optional bundler (Webpack, Vite, Rollup)

Config Files

index.html - HTML/SVG elements to animate

main.js - anime.js scripts

styles.css - optional styling

assets/ - images or SVGs

utils/ - helper animation logic

Cli Commands

npm install animejs -> install library

yarn add animejs -> alternative install

Import via ES modules for framework usage

Include via CDN for direct browser use

Run animations via anime() in JS

Internationalization

Animation library is language-agnostic

All callbacks and logs can be localized via JS

Text content animations respect existing localization

No engine-imposed language restrictions

Fully compatible with global web applications

Accessibility

Anime.js animations do not interfere with screen readers

Ensure motion effects respect prefers-reduced-motion

DOM updates are standard and accessible

Avoid animations that disrupt focus/navigation

Use semantic HTML for interactive elements

Ui Styling

Handled via CSS for base styles

Anime.js manipulates CSS or SVG properties dynamically

Transitions and transforms applied inline

Use classes or IDs as selectors

UI integration fully compatible with existing HTML/CSS

State Management

Animation state handled internally by anime.js

Timeline tracks sequence progress

Callbacks allow custom state updates

Animation loops and reverses managed internally

Target properties updated per frame

Data Management

Animatable properties defined in JS objects

Keyframes and timelines as structured data

Store animation parameters externally if needed

Use variables for dynamic animations

Avoid excessive DOM queries per frame

Architecture

Animation engine using requestAnimationFrame

Timeline for synchronizing multiple animations

Easing engine for smooth transitions

Targets DOM, SVG, or JS objects

Callback system for lifecycle events

Rendering Model

Uses requestAnimationFrame for smooth updates

Updates target properties each frame

Applies easing and interpolation

Handles timelines for sequential animations

Triggers callbacks on animation events

Architectural Patterns

Single animation engine core

Timeline abstraction for sequences

Easing engine for smooth motion

Target abstraction for DOM/SVG/JS objects

Callback system for animation lifecycle

Real World Architectures

Landing page hero animations

SVG icon transitions and morphing

Dashboard chart animations

Scroll-triggered content animations

Interactive UI micro-interactions

Design Principles

Lightweight and modular

Cross-browser compatibility

Flexible API for multiple targets

Timeline-first approach for sequence control

Ease of use for developers of all skill levels

Scalability Guide

Limit number of animated elements per frame

Use transform and opacity for GPU acceleration

Reuse timelines and animation objects

Avoid unnecessary DOM recalculation

Profile and optimize on target devices

Migration Guide

Port CSS transitions/animations to Anime.js for JS control

Replace jQuery animations with anime() calls

Move complex sequences to timeline API

Test easing functions and adjust timing

Optimize performance by batching animations

Performance Notes

Use transform and opacity for GPU-accelerated animations

Limit DOM updates per frame

Reuse timelines for repeated sequences

Batch animations with timelines

Avoid excessive keyframe complexity

Security Notes

Anime.js is client-side and runs in browser sandbox

No direct system access

Safe to include via CDN or npm

Ensure user-generated input does not manipulate selectors dangerously

Minimal attack surface since only DOM/JS properties are affected

Monitoring Analytics

Profile frame rates in browser DevTools

Track duration of animation sequences

Log errors in callback events

Monitor performance on low-end devices

Benchmark timelines with many elements

Code Quality

Keep animation definitions modular

Use helper functions for repeated sequences

Profile and optimize timelines

Use constants for duration/easing values

Validate target selectors before animation

Practical Examples

Fading in/out elements with opacity

Sliding menus and panels

Animating charts and graphs

SVG icon morphing animations

Scroll-triggered interactive animations

Troubleshooting

Check target selector correctness

Verify property names and units

Ensure DOM elements exist before animation

Avoid animating very large numbers of elements

Debug using console and requestAnimationFrame monitoring

Testing Guide

Verify DOM targets exist before animation

Check timeline sequences execute correctly

Test easing and keyframes visually

Profile performance with Chrome DevTools

Test across multiple browsers

Deployment Options

Include anime.js via CDN in production

Bundle with Webpack/Rollup/Vite

Tree-shake unused features

Minify JS for performance

Integrate with SPA or multi-page apps

Tools Ecosystem

anime.js core library

DevTools for performance profiling

SVGator integration for SVG animation

Third-party easing libraries

Timeline utilities and helper functions

Integrations

React (via refs or hooks)

Vue.js transitions and directives

Angular animations and components

Scroll libraries (ScrollMagic, Locomotive Scroll)

Data visualization libraries (Chart.js, D3.js)

Productivity Tips

Use timelines for sequence control

Group animations logically

Reuse easing functions

Cache selectors for performance

Combine transforms and opacity for GPU acceleration

Challenges

Browser performance variability

Complex timeline management

Animating large SVGs efficiently

Chaining multiple animations smoothly

Scroll-triggered animation synchronization

Learning Path

Learn basic CSS/JS animation principles

Understand anime() and its options

Practice animating DOM elements and SVGs

Learn timelines and easing functions

Build complex interactive sequences for web UI

Skill Improvement Plan

Week 1: Simple element animations

Week 2: SVG and path animations

Week 3: Timelines and sequencing

Week 4: Integrate with frameworks

Week 5: Performance optimization and reusable utilities

Interview Questions

Explain how Anime.js timelines work.

How do you animate SVG paths with Anime.js?

Describe easing functions and their importance.

How would you optimize performance for many animated elements?

Compare Anime.js with CSS transitions and GSAP.

Cheat Sheet

anime({ targets: '.box', translateX: 250 })

anime.timeline({})

anime({ targets, scale: 2, duration: 500, easing: 'easeInOutQuad' })

timeline.add({ targets, opacity: [0,1] })

anime.remove(targets) - stop animations

Books

Mastering Anime.js Animations

Web Animations with Anime.js

SVG Animation Techniques

Interactive UI Animations for Web

Timeline-based JavaScript Animations

Tutorials

Getting started with Anime.js

Animating DOM elements and CSS properties

SVG path and morphing animations

Timeline sequencing tutorial

Framework integration examples (React/Vue/Angular)

Official Docs

https://animejs.com/documentation/

https://github.com/juliangarnier/anime

Community Links

Anime.js GitHub

Stack Overflow anime.js tag

Reddit webdev community

YouTube tutorials

Developer Twitter examples

Community Support

Anime.js GitHub repository

Stack Overflow anime.js tag

Reddit webdev community

Twitter and developer forums

YouTube tutorials and examples

Monetization

Enhanced landing page experiences for SaaS

Interactive marketing pages

Animated dashboards for paid analytics tools

UI micro-interactions for premium apps

SVG/Logo animation services for clients

Future Roadmap

Better integration with modern frameworks

Advanced timeline controls

Scroll and gesture-triggered animations

Performance improvements for massive DOM

Enhanced SVG morphing support

When Not To Use

High-end 3D object animations (use Three.js or Babylon.js)

Physics simulations (use Matter.js or Cannon.js)

Very large DOM animations (>1000 elements)

Server-side animation

Animations that require GPU compute shaders

Final Summary

Anime.js is a versatile, lightweight animation library for web developers.

Supports DOM, CSS, SVG, and JS object animations.

Powerful timelines and easing enable complex sequences.

Framework-agnostic and easy to integrate.

Ideal for UI micro-interactions, web animations, and data visualization effects.

Faq

Can Anime.js animate SVG? -> Yes, including paths

Does Anime.js support timelines? -> Yes

Can I use Anime.js with React/Vue/Angular? -> Yes

Is Anime.js lightweight? -> Yes, ~14KB minified

Does Anime.js require plugins? -> No, standalone library

Code Sample Descriptions

1

Simple Anime.js Animation

# animejs/demo/index.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div id="box" style="width:100px;height:100px;background:red;"></div>
        <script>
        anime({
        targets: '#box',
        x: 250,
        scale: 1.5,
        duration: 2000,
        easing: 'easeInOutQuad'
        });
        </script>
    </body>
</html>

A basic Anime.js program that animates a div element moving horizontally and scaling up.

Let’s Try →
2

Bounce Animation

# animejs/demo/bounce.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div id="ball" style="width:100px;height:100px;background:blue;"></div>
        <script>
        anime({
        targets: '#ball',
        y: 300,
        duration: 1000,
        repeat: Infinity,
        yoyo: true,
        easing: 'easeOutBounce'
        });
        </script>
    </body>
</html>

A div bouncing vertically with easeOutBounce.

Let’s Try →
3

Rotate Animation

# animejs/demo/rotate.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div id="rotate" style="width:100px;height:100px;background:green;"></div>
        <script>
        anime({
        targets: '#rotate',
        rotate: 360,
        duration: 2000,
        repeat: Infinity,
        easing: 'linear'
        });
        </script>
    </body>
</html>

Rotates a div continuously with linear easing.

Let’s Try →
4

Scale Pulse

# animejs/demo/scale_pulse.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div id="pulse" style="width:100px;height:100px;background:orange;"></div>
        <script>
        anime({
        targets: '#pulse',
        scale: 1.5,
        duration: 1000,
        repeat: Infinity,
        yoyo: true,
        easing: 'easeInOutSine'
        });
        </script>
    </body>
</html>

Creates a pulsing scale effect repeatedly.

Let’s Try →
5

Color Change

# animejs/demo/color_change.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div id="colorBox" style="width:100px;height:100px;background:purple;"></div>
        <script>
        anime({
        targets: '#colorBox',
        backgroundColor: '#00FF00',
        duration: 2000,
        repeat: Infinity,
        yoyo: true
        });
        </script>
    </body>
</html>

Animates a div's background color between two colors.

Let’s Try →
6

Translate XY

# animejs/demo/translate_xy.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div id="moveBox" style="width:100px;height:100px;background:pink;"></div>
        <script>
        anime({
        targets: '#moveBox',
        x: 250,
        y: 150,
        duration: 2000,
        repeat: Infinity,
        yoyo: true,
        easing: 'easeInOutQuad'
        });
        </script>
    </body>
</html>

Moves a div diagonally across the screen.

Let’s Try →
7

Timeline Example

# animejs/demo/timeline.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div id="box1" style="width:50px;height:50px;background:red;margin:10px;"></div>
        <div id="box2" style="width:50px;height:50px;background:blue;margin:10px;"></div>
        <script>
        const tl = anime.timeline({ loop: true });
        tl.add({ targets: '#box1', translateX: 250, duration: 1000 })
          .add({ targets: '#box2', translateY: 200, duration: 1000 });
        </script>
    </body>
</html>

Sequences multiple animations using a timeline.

Let’s Try →
8

Staggered Animation

# animejs/demo/stagger.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div class="boxes" style="width:50px;height:50px;background:orange;margin:5px;display:inline-block;"></div>
        <div class="boxes" style="width:50px;height:50px;background:orange;margin:5px;display:inline-block;"></div>
        <div class="boxes" style="width:50px;height:50px;background:orange;margin:5px;display:inline-block;"></div>
        <script>
        anime({
        targets: '.boxes',
        x: 200,
        duration: 1000,
        delay: anime.stagger(200),
        repeat: Infinity,
        yoyo: true
        });
        </script>
    </body>
</html>

Animates multiple divs with staggered delays.

Let’s Try →
9

Elastic Animation

# animejs/demo/elastic.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div id="elasticBox" style="width:100px;height:100px;background:lime;"></div>
        <script>
        anime({
        targets: '#elasticBox',
        x: 250,
        easing: 'easeOutElastic(1, .5)',
        duration: 2000,
        repeat: Infinity,
        yoyo: true
        });
        </script>
    </body>
</html>

Animates a div with elastic ease effect.

Let’s Try →
10

Rotate and Scale

# animejs/demo/rotate_scale.html
<html>
    <head>
        <script src="https://cdn.jsdelivr.net/npm/animejs@3.2.1/lib/anime.min.js"></script>
    </head>
    <body>
        <div id="box" style="width:100px;height:100px;background:purple;"></div>
        <script>
        anime({
        targets: '#box',
        rotate: 360,
        scale: 1.5,
        duration: 2000,
        repeat: Infinity,
        yoyo: true
        });
        </script>
    </body>
</html>

Rotates and scales a div simultaneously.

Let’s Try →

Frequently Asked Questions about Animejs

What is Animejs?

Anime.js is a lightweight JavaScript animation library that enables developers to create smooth, complex, and performant animations on the web. It works with CSS properties, SVG, DOM attributes, and JavaScript objects.

What are the primary use cases for Animejs?

Animating CSS properties like opacity, transform, and color. SVG morphing and path animations. UI micro-interactions (buttons, menus, modals). Data visualizations and chart animations. Sequenced animations via timelines

What are the strengths of Animejs?

Lightweight and performant. Simple API with high flexibility. Cross-browser support. Works seamlessly with modern frameworks. Ideal for interactive and complex animation sequences

What are the limitations of Animejs?

Not a full game engine animation system. Requires JavaScript knowledge. Limited physics-based simulation (needs external libs). Performance can drop with very large DOM trees. Animation sequencing for very complex apps can become verbose

How can I practice Animejs typing speed?

CodeSpeedTest offers 10+ real Animejs code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.

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