The general idea is that we create a Document Picture-in-Picture window (DPIP window), and then we put HTML, CSS, and JavaScript into it.
There's a brand new ariaNotify() method — defined by the WAI-ARIA 1.3 Specification — that provides a means of programmatically triggering narration in a screen reader.
Behind every technology, there should be a guide for its use. While JavaScript modules make it easier to write “big” programs, if there are no principles or systems for using them, things could easily become difficult to maintain.
Mat Marquis and Andy Bell have released JavaScript for Everyone, an online course offered exclusively at Piccalilli. This post is an excerpt from the course taken specifically from a chapter all about JavaScript destructuring.
Browsers don't just let you bookmark web pages. You can also bookmark JavaScript, allowing you to do so much more than merely save pages.
A thorough but approachable lesson on JavaScript expressions excerpted JavaScript For Everyone, a complete online course offered by our friends at Piccalilli.
Focus trapping is about managing focus within an element, such that focus always stays within it. The whole process sounds simple in theory, but it can quite difficult to build in practice, mostly because of the numerous parts to you got to manage.
Zell discusses refactoring the Resize, Mutation, and Intersection Observer APIs for easier usage, demonstrating how to implement callback and event listener patterns, while highlighting available options and methods.
ResizeObserver, MutationObserver, and IntersectionObserver enhance performance over their predecessors. Zell discusses their API similarities, usage steps, refactoring strategies, and advantages with practical examples.
