::spelling-error and ::grammar-error

The ::spelling-error and ::grammar-error CSS pseudo-elements match text that is highlighted as misspelled and grammatically incorrect, respectively.

Learning resources on MDN

• ::grammar-error
• ::spelling-error

Browser support

• Chrome 121 Released on 2024-01-23
• Chrome Android 121 Released on 2024-01-23
• Edge 121 Released on 2024-01-25
• Firefox ❌
• Firefox for Android ❌
• Safari 17.4 Released on 2024-03-05
• Safari on iOS 17.4 Released on 2024-03-05

Baseline availability blocked since March 2024 by Firefox (9 months)

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