Tag OPTGROUP

Description
Tag <OPTGROUP> is a package, in which tags <OPTION> are located, which are integrated into one group. The feature of tag <OPTGROUP> is the fact it is not stand out as usual element of a list, is accented with heavy-faced type, and all the elements of this package drift right from their home position.
<select>
	<optgroup label="...">
		<option>...</option>
	</optgroup>
</select>
Parametrs
label text, which will be a part of a list as a title of the group.
Closing Tag
Is optional.
The Description of Tag <OPTGROUP> Parameters
LABEL Parameter
Description
Text, which will be a part of a list as a title of the group. It is an ordinary text line without HTML codes.
<optgroup label="теxt">...</optgroup>
Optional Parameter
Yes
Arguments
Any text line. Line must be put in quotes.
Default value
No
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