Element: optgroup

(see also the declaration of this element in xhtml-1.0-strict, xhtml-1.0-frameset, xhtml-1.1, xhtml-mobileprofile-1.0 and xhtml-basic-1.1)

Element content:

Content rule:

(option)+

Available attributes:

• class
• dir
• disabled
• id
• label
• lang
• onclick
• ondblclick
• onkeydown
• onkeypress
• onkeyup
• onmousedown
• onmousemove
• onmouseout
• onmouseover
• onmouseup
• style
• title
• xml:lang

This element can be a direct child of:

• select