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Instead, only one optgroup level is allowed. However, they do have to say the following on the subject: Note. Implementors are advised that future versions of HTML may extend the grouping mechanism to allow for nested groups (i.e., OPTGROUP elements may nest).
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.
25 lip 2024 · This element includes the global attributes. If this Boolean attribute is set, none of the items in this option group is selectable. Often browsers grey out such control and it won't receive any browsing events, like mouse clicks or focus-related ones.
In this topic, we described about the <optgroup> tag along with detailed example. Selection form control option group in HTML documents. The <optgroup> tag used to specify Selection form control option group. <optgroup> used to group the related options together in drop-down list.
The optgroup tag generates a group of options within a <select> control's dropdown list of values. A sequence of <option> ...
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.
You can neatly group your options within a selection menu in order to provide a more structured layout in a long list of options by using the <optgroup> element. The syntax is very basic, by simply using the element with a label attribute to identify the title for the group, and containing zero or more options that should be within that group.
