Discover the new design process of "Generative Design" with the use of p5.js, a JavaScript library that allows for easy execution of Processing in-browser. This book guides readers towards algorithmic and generative visual expressions through the use of p5.js. Programming and Generative Design are rapidly establishing themselves as widely adopted and culturally significant technologies. By utilizing source code, a new design process is revealed where one can generate a visual outcome from an idea. Yet, for many, this process remains a daunting obstacle to overcome. This book's main role is to lead readers to new experiences with a single click, and to conquer this barrier. With the guidance of stunning and acclaimed artwork from around the world, a composition based on design principles, and explanations of key code points, one can begin their creative coding journey instantly.