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Criterion 7.1 implements the concept of “compatible with assistive technologies” as defined by the WCAG 2, as well as the use of WAI-ARIA API to make a component or functionality accessible. The proper use of the WAI-ARIA API is verified through tests 7.1.3, 7.1.4, 7.1.5 and 7.1.6.
Script must be usable by assistive technology : enter into the module, use tab panel, use the appropriate language, focus, tabulation, use the datepicker…
See design patterns and widgets on https://www.w3.org/TR/wai-aria-practices/ (new window) to adapt scripts to appropriate practices authorised for each type of module.
In case of an external module, provide an alternative that can be used by concerned users. For example, they can send an email in order to receive the same information in a reasonable delay.