按钮名称

为何重要

Icon-only buttons (menu, search, close) with no text or aria-label are announced simply as ‘button’, so screen-reader users cannot tell what they do (WCAG 4.1.2).

如何修复

1. Add visible text, or an aria-label such as aria-label="Open menu".
2. For image buttons, give the image meaningful alt text.

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