HTML attribute: required - HTML: HyperText Markup Language | MDN - Mozilla
https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/required
WebMar 24, 2023 · The required attribute is supported by text, search, url, tel, email, password, date, month, week, time, datetime-local, number, checkbox, radio, file, <input> types along with the <select> and <textarea> form control elements. If present on any of these input types and elements, the :required pseudo class will match.
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