If you insert PHP code in your HTML template, the editor correctly highlights both HTML tags and PHP functions. The same applies to CSS and JavaScript code, which is contained in HTML files. The ...

If a section feels boring, add a bold feature. As you continue learning HTML, CSS and JavaScript, keep practising and experimenting. You will gain confidence and improve your coding skills.

jsFiddle lets developers play with the three core elements of Web development. Check out this powerful application for rapid prototyping and testing.