自訂元素可讓您在網路上建立自己的封裝元件，但這也會造成一些問題。您如何打造適合所有人使用的元素？他們可以使用鍵盤瀏覽嗎？這些裝置如何搭配螢幕閱讀器和 ARIA？瞭解如何建立能讓所有使用者受惠的無障礙元素。
除非另有註明，否則本頁面中的內容是採用創用 CC 姓名標示 4.0 授權，程式碼範例則為阿帕契 2.0 授權。詳情請參閱《Google Developers 網站政策》。Java 是 Oracle 和/或其關聯企業的註冊商標。
上次更新時間：2024-08-09 (世界標準時間)。
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