Html elements fieldset, details, and command

fieldset element Defines a set of related form controls to be grouped together, details element The HTML details element (<details>) is used as a disclosure widget from which the user the retrieve additional information, command element The command element represents a command which the user can invoke. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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fieldset fieldset and details, fieldset, details, and command

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