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Text Descriptions and Alerts

The above diagram shows the Faraday's Law sim with text alerts and text descriptions overlaid. Events can trigger text alerts (aka. Aria-live region updates in the PDOM) and text description updates (sections of text within the PDOM).


Add examples of alerts and description updates.

Description Regions

Figure 2: An example of the different proximity descriptors for the magnet as it moves from one region into another.

Figure 3: Play area location descriptors.

Figure 4: Magnetic field intensity descriptors.

Keyboard Access

Combine location and coil proximity alerts


* Movement, coil proximity and location change alerts may be sufficient to give sense of progress in most cases.

* For blank steps, it may be appropriate to periodically give a location or coil proximity change event, or a movement alert.

* For quick moments, multiple alerts may occur within a small window. It may be necessary to prioritize alerts to report.

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