HTML 5 <optgroup> Tag
Example
Group related options with <optgroup> tags:
<select>
<optgroup label="Swedish Cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
</optgroup>
<optgroup label="German Cars">
<option value="vw">VW</option>
<option value="audi">Audi</option>
</optgroup>
</select> |
Try it yourself »
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Definition and Usage
The <optgroup> is used to group related options in a drop-down list.
If you have a long list of options, groups of related options are easier to
handle for the user.
Differences Between HTML 4.01 and HTML 5
NONE
Attributes
| Attribute |
Value |
Description |
| label |
text |
Defines the label for the option group |
| disabled |
disabled |
Disables the options in that option-group. |
Standard Attributes
| class, contenteditable, contextmenu, dir, draggable, id, irrelevant, lang, ref, registrationmark, tabindex, template, title |
For a full description, go to Standard Attributes in HTML 5.
Event Attributes
| onabort, onbeforeunload, onblur, onchange, onclick,
oncontextmenu, ondblclick, ondrag, ondragend, ondragenter, ondragleave,
ondragover, ondragstart, ondrop, onerror, onfocus, onkeydown, onkeypress,
onkeyup, onload, onmessage, onmousedown, onmousemove,
onmouseover, onmouseout, onmouseup, onmousewheel, onresize, onscroll, onselect,
onsubmit, onunload |
For a full description, go to Event Attributes in HTML 5.
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