JavaScript engines in Web browsers have access to the HTML document object model (DOM) and can manipulate HTML elements through the DOM.

New features in ECMAScript 2022 include top-level await, RegExp match indices, new public and private class fields, and more. Let's get started!

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.