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3. DOM Event Architecture This section is non-normative. Refer to [DOM] for a normative description of the DOM event architecture 3.1. Event dispatch and DOM event flow This section gives a brief overview of the event dispatch mechanism and describes how events propagate through the DOM tree. Applications can dispatch event objects using the method, and the event object will propagate through the DOM tree as determined by the DOM event flow. Event objects are dispatched to an event target.
To make data viz more accessible, we first need to understand assistive technology When I tell people I make data visualizations for blind people, the response is almost inevitably a quick pause while the gears of their mind start spinning wildly, then “How does that work?” I’m not going to tell you how I do it. (At least, not in this article.) But I will tell you how I think about it, and suggest how you can too.
This weekend, we learned of the passed of one of digital accessibility's pioneers, Dr. Jim Thatcher. Jim was one of the creators of the first screen reader. His prototype PC-SAID (Personal Computer - Synthetic Audio Interface Driver) became IBM Screen Reader in the early 1980s, which became the generic term for that whole class of assistive tech (like Xerox or Kleenex). What is a screen reader? A screen reader is assistive technology software that is similar to an interactive audio book.
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