(This canvas is lacking aria-hidden. Please note that role="presentation" can also be used to hide decorative elements.)
This <canvas> element is decorative, but is not using aria-hidden=”true” or role="presentation":
(This canvas is lacking aria-hidden. Please note that role="presentation" can also be used to hide decorative elements.)
This <canvas> element is decorative, but is not using aria-hidden=”true” or role="presentation":
Note: Hard to implement because it requires using AI / human to determine whether the canvas element is truly decorative, and then checking for the presence of aria-hidden or role="presentation".