Optgroupmerkinnöillä
Optgroupmerkinnöillä refers to the use of the HTML `<optgroup>` tag within a `<select>` element. The `<optgroup>` tag is used to group related options within a dropdown list, providing a more organized and user-friendly selection experience. Each `<optgroup>` element typically has a `label` attribute, which serves as a heading for the group of options it contains. This label is displayed to the user, clearly indicating the category of the options that follow.
When implementing `<optgroup>` in HTML, the `<select>` tag encloses the entire dropdown. Inside the `<select>` tag,
The primary benefit of using `<optgroup>` is improved user interface design. It helps to break down long