Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more.

Use this handy, simplified guide to quickly learn HTML and CSS -- a foundation of modern web development.

Using Quarto with Observable JavaScript is a great solution for R and Python users who want to create more interactive and visually engaging reports.

Being able to work comfortably on Web-related code elements -- HTML, CSS, and JavaScript -- has become an increasingly important skill for all kinds of software development projects. Web apps, ...

The HTML is parsed, JavaScript is executed, and the result is the DOM. The content of a web page is not (just) source code, it’s the DOM. This makes it pretty important.

Google's John Mueller advises using semantic HTML. Though not a ranking factor, it helps search engines understand content and boosts accessibility.

When Facebook chose to build a mobile app using HTML and JavaScript it seemed to be a sign these technologies had matured from tools for creating web pages to crafting software. The core appeal of ...