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並前往https://developer.chrome.com/docs/extensions/mv2/a11y/

Accessibility (a11y) - Chrome Developers

DOM attributes specified by WAI-ARIA are classified into roles, ... <div role="toolbar" tabindex="0" aria-activedescendant="button1">

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查詢 「Div role section」的人也找了：

  1. Div role section
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  2. HTML role
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  3. ARIA role
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  4. Accessibility role application
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  5. Role banner
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  6. Role=textbox
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  7. Role=tablist
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  8. Aria state
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