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使用者介面元件應暴露名稱與角色，允許直接設定可由使用者設定的屬性，並在變更時提供通知

G10: Creating components using a technology that supports the accessibility API features of the platforms on which the user agents will be run to expose the names and roles, allow user-settable properties to be directly set, and provide notification of changes

G108: Using markup features to expose the name and role, allow user-settable properties to be directly set, and provide notification of changes

G135: Using the accessibility API features of a technology to expose names and roles, to allow user-settable properties to be directly set, and to provide notification of changes

此標記技術可公開名稱及屬性，允許使用者自行設定屬性，適用於HTML或XHTML，且須遵守此規範。

1.使用Google Chrome瀏覽器開啟網頁。

2.點選右鍵檢視網頁原始碼。

3.從程式碼中，可以自行更改選項或添加選項，且允許使用者自行設定屬性。

http://www.w3.org/TR/WCAG-TECHS/G10.html

http://www.w3.org/TR/WCAG-TECHS/G108.html

http://www.w3.org/TR/WCAG-TECHS/G135.html