Adding interactivity and animations to a design doesn’t have to be complicated or make the website inaccessible when you use modern Web standards. In this article, we’ll explore several examples and theories that employ CSS, HTML, SVG, the `canvas` element and JavaScript. Some of these techniques you’ll know, others you may not have considered. Let’s start with the basics. “Bringing Interactivity To Your Website With Web Standards”)](https://www.smashingmagazine.com/?p=85432) Manipulating HTML with JavaScript is the most common method of adding interactivity to a website. But before you start using JavaScript, having a strong understanding of the CSS visual formatting model and box model is important. They are vital to making sense of how HTML elements can be manipulated visually. When you dynamically change the style of an HTML element, it will flow with and react to the rest of the document. Learning to anticipate and control what is affected can be difficult.