JavaScript is a programming language used to make websites interactive and dynamic. Features such as buttons that respond to ...

The latest JavaScript specification standardizes a well-balanced and thoughtful set of features, including the built-in ...

The JavaScript is still working behind the scenes. Essentially, we get a more granular HTML syntax, which can just load segments instead of whole pages, and can submit Ajax requests.

All three UI patterns are commonly found in design systems, with many lines of JavaScript to implement custom styling, presentation, layout, interaction, or accessibility patterns.