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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. –
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.
23 lut 2020 · I don't think you can but you can easily reproduce the visual style with css and thus only have options in your select, so everything is selectable. .optionGroup {. font-weight: bold; font-style: italic; }
Przeznaczenie atrybutu disabled. Atrybut disabled wykorzystany wraz z elementem optgroup pozwala nam określić czy dany element optgroup oraz treść reprezentowana przez zawartość danego elementu optgroup powinni zostać wyłączeni z interakcji z użytkownikiem.
25 lip 2024 · The <optgroup> HTML element creates a grouping of options within a <select> element.
In this tutorial, we have explored the select, option, and optgroup elements in HTML forms. By understanding these elements and their attributes, you can create more organized and user-friendly dropdown lists in your forms.
10 lut 2024 · What is <optgroup> Tag? The <optgroup> tag is an HTML element specifically designed for use within <select> elements. It allows you to group related <option> elements together, providing a hierarchical structure within a dropdown list. Syntax.
