Learn P5js - 10 Code Examples & CST Typing Practice Test
p5.js is a JavaScript library designed to make coding accessible for artists, designers, and beginners. It provides an intuitive way to create graphics, animations, and interactive content on the web using a friendly API inspired by Processing.
Learn P5JS with Real Code Examples
Updated Nov 26, 2025
Learning Path
Learn basic JavaScript syntax
Understand `setup()` and `draw()`
Experiment with shapes, colors, and animation
Handle events like mouse and keyboard
Create interactive sketches and small projects
Skill Improvement Plan
Week 1: Draw shapes and apply colors
Week 2: Animate objects and learn frame updates
Week 3: Handle mouse/keyboard events
Week 4: Work with images, sounds, and video
Week 5: Build interactive projects and mini-games
Interview Questions
What is the difference between `setup()` and `draw()` in p5.js?
How do you handle mouse and keyboard events in p5.js?
Explain the use of `createCanvas()`
How would you animate objects in p5.js?
What libraries extend p5.js functionality?
Cheat Sheet
createCanvas(width, height) - initialize drawing area
background(color) - set canvas background
fill(color) - set fill color for shapes
stroke(color) - set outline color for shapes
ellipse(x, y, w, h), rect(x, y, w, h) - draw shapes
Books
Getting Started with p5.js - Lauren McCarthy
Make: Getting Started with p5.js
Creative Coding with p5.js
Generative Design with p5.js
The Nature of Code
Tutorials
Getting Started with p5.js
Drawing and Animating Shapes
Handling Events and Interactivity
Working with Images, Sound, and Video
Building Interactive Projects and Games
Official Docs
https://p5js.org/reference/
https://p5js.org/
Community Links
p5.js Forum
Processing Foundation
p5.js GitHub repository
Creative Coding Slack/Discord
Online learning platforms like The Coding Train
Community Support
Official p5.js website and forums
Creative coding Slack/Discord communities
GitHub repository for p5.js
Tutorial blogs and YouTube channels
Processing Foundation educational resources
Frequently Asked Questions about P5js
What is P5js?
p5.js is a JavaScript library designed to make coding accessible for artists, designers, and beginners. It provides an intuitive way to create graphics, animations, and interactive content on the web using a friendly API inspired by Processing.
What are the primary use cases for P5js?
Educational projects for teaching programming. Interactive art installations. Web-based animations and visualizations. Prototyping games and interactive experiences. Creative coding experiments
What are the strengths of P5js?
Easy to learn for beginners. Great for visual and interactive projects. Runs directly in browsers. Strong community and learning resources. Extensible via additional libraries (sound, DOM, ML)
What are the limitations of P5js?
Not optimized for high-performance applications. Limited to web/browser environment. Complex 3D graphics are harder than low-level WebGL. May require JavaScript knowledge for advanced features. Not ideal for enterprise-scale applications
How can I practice P5js typing speed?
CodeSpeedTest offers 10+ real P5js code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.