label (HTML attribute)
| Depr. | Version |
|---|---|
| No | HTML 4 |
| IE5.5+ | FF1+ | SA1.3+ | OP9.2+ |
|---|---|---|---|
| Full | Full | Full | Full |
Syntax
label="string"
Description
The
label attribute is used to identify the
contents—the option elements—of the
optgroup. The rendering of the
optgroup’s label differs between
browsers, as Figure 1 shows.
Figure 1. Example browser output of the 
optgroup
label
Example
This requiredlabel attribute identifies a group of options as
"Dairy products": <form>
<select name="favoritefood">
<optgroup label="Dairy products">
<option>Cheese</option>
<option>Egg</option>
</optgroup>
</select>
</form>
Value
This attribute takes a (preferably
short) description or classification of the contained
option elements.
Compatibility
| Internet Explorer | Firefox | Safari | Opera | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 5.5 | 6.0 | 7.0 | 1.0 | 1.5 | 2.0 | 1.3 | 2.0 | 3.0 | 9.2 | 9.5 |
| Full | Full | Full | Full | Full | Full | Full | Full | Full | Full | Full |
Every browser listed supports this attribute.
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