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According to the HTML5 spec (dev.w3.org/html5/markup/optgroup.html#optgroup) the only permitted parent of optgroup is select, which suggest that no, this is not supported in HTML5. – Dan Atkinson. Feb 22, 2014 at 18:11.
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The <optgroup> tag is used to group related options in a <select> element (drop-down list). If you have a long list of options, groups of related options are easier to handle for a user.
By understanding these elements and their attributes, you can create more organized and user-friendly dropdown lists in your forms. Learn about the select, option, and optgroup elements in HTML forms, and how to use them to create effective dropdown lists.
25 lip 2024 · The <optgroup> HTML element creates a grouping of options within a <select> element. Try it. Note: Optgroup elements may not be nested. Attributes. This element includes the global attributes. disabled. If this Boolean attribute is set, none of the items in this option group is selectable.
The HTML <optgroup> tag is used for grouping related options within your select list. This makes it easier for users to comprehend the options when looking at a large list.
The optgroup tag generates a group of options within a <select> control's dropdown list of values. A sequence of <option> tags define the dropdown values, which are then grouped using the <optgroup> tag.
