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並前往https://www.accede-web.com/en/guidelines/html-css/forms/add-error-messages-and-correction-suggestions-directly-into-the-label-tag/

7.6. Add error messages and correction suggestions directly ...

Note · Add an id attribute to the element that contains the error message. · Give this id a unique value. · Add aria-describedby to the corresponding input field.

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