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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).
23 lut 2020 · 7 Answers. Sorted by: 69. 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; } . .optionChild { padding-left: 15px; } <select multiple="multiple">
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.
Style HTML form elements optgroup and option with CSS in Chrome; Using optgroup to group options in an HTML select box; Solution for ignoring width styling
The <select> tag allows you to use the <optgroup> tag to create groups of options. An example is shown in the image that follows the upcoming exercise. In order to create these groups, surround the specific options with <optgroup>. Exercise-04-07 demonstrates this concept: Start Free Trial.
25 lip 2024 · The <optgroup> HTML element creates a grouping of options within a <select> element.
<option value="cherry">Cherry</option> Optgroup Element. The optgroup element is used to group options together in a dropdown list, making it easier for users to navigate through the options. HTML. <label for="car">Choose a car:</label> <select id="car" name="car"> <optgroup label="German Cars"> <option value="audi">Audi</option>
