Forms in HTML documents - World Wide Web Consortium (W3C)

Forms in HTML documents - World Wide Web Consortium (W3C)

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日期:2026-04-19
checkboxes Checkboxes (and radio buttons) are on/off switches that may be toggled by the user. A switch is "on" when the control element's checked attribute is set. When a form is submitted, only "on" checkbox controls can become successful. Several ......看更多