This article is from a long time ago and the spec changed substantially. It's now all done with properties on ElementInternals: https://developer.mozilla.org/

This article is from a long time ago and the spec changed substantially. It's now all done with properties on ElementInternals: https://developer.mozilla.org/en-US/docs/Web/API/ElementInternals https://developer.mozilla.org/en-US/docs/Web/API/ElementInte... They also decided not to ship AccessibleNode's which is unfortunate because it removed the clearest path for canvas+wasm based UIs. https://github.com/WICG/aom/blob/gh-pages/explainer.md https://github.com/WICG/aom/blob/gh-pages/explainer.md