We’ve seen numerous server-side approaches and they always seem to obfuscate the powerful trio of HTML, JavaScript, and CSS, which continues to win out in the end.

JavaScript, CSS, HTML, HTML5, MySQL, WordPress, PHP and Python are the most in-demand tech skills from employers in 2020, according to a Upwork report.

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.