JavaScript. In addition to HTML and CSS, JavaScript programs the operations in a webpage. JavaScript is a user-side scripting language that’s intrinsically tied to the dynamic elements of a webpage.

The HTML markup language provides a backbone for web developers or business owners working on their own sites or their CMS. Especially if you add CSS and JavaScript, learning HTML means you will ...

Output: The results of executing the CSS, HTML, and JavaScript entered into the sections of the page. Figure A shows jsFiddle loaded in Internet Explorer 9 with empty code panes.