<optgroup> - HTML: HyperText Markup Language 编辑

The HTML <optgroup> element creates a grouping of options within a <select> element.

Content categoriesNone.
Permitted contentZero or more <option> elements.
Tag omissionThe start tag is mandatory. The end tag is optional if this element is immediately followed by another <optgroup> element, or if the parent element has no more content.
Permitted parentsA <select> element.
Implicit ARIA rolegroup
Permitted ARIA rolesNo role permitted
DOM interfaceHTMLOptGroupElement

Note:

Optgroup elements may not be nested.

Attributes

This element includes the global attributes.

disabled
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.
label
The name of the group of options, which the browser can use when labeling the options in the user interface. This attribute is mandatory if this element is used.

Examples

<select>
  <optgroup label="Group 1">
    <option>Option 1.1</option>
  </optgroup>
  <optgroup label="Group 2">
    <option>Option 2.1</option>
    <option>Option 2.2</option>
  </optgroup>
  <optgroup label="Group 3" disabled>
    <option>Option 3.1</option>
    <option>Option 3.2</option>
    <option>Option 3.3</option>
  </optgroup>
</select>

Result

Specifications

SpecificationStatusComment
HTML Living Standard
The definition of '<optgroup>' in that specification.
Living Standard
HTML5
The definition of '<optgroup>' in that specification.
Recommendation
HTML 4.01 Specification
The definition of '<optgroup>' in that specification.
Recommendation

Browser compatibility

BCD tables only load in the browser

See also

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