Element: optgroup

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

Element content:

Content rule:

(option)+

Available attributes:

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

This element can be a direct child of:

• select