2. HTML. We write HTML in files that end with the .html extension (like homepage.html).. To write HTML and CSS code, you’ll want to install a code editor.Nowadays, one of the most popular free ...

jsFiddle is the perfect solution; it provides a custom environment (based on user selections) to test (or fiddle with) your JavaScript, HTML, and CSS code right inside your browser.

All modern webpages use a combination of CSS and HTML for layout and design. HTML formats text on the page, while CSS structures and styles the page with font faces, page layout and colors. One ...