Version-//W3C//DTD XHTML 1.0 Strict//EN
Purposeoption group
Start tagRequired <optgroup>
class CDATA #IMPLIEDspace-separated list of classes
dir( ltr | rtl )#IMPLIEDdirection for weak/neutral text
disabled( disabled )#IMPLIEDunavailable in this context
idID#IMPLIEDdocument-wide unique id
label CDATA #REQUIREDtext used for titles; for use in hierarchical menus
langNMTOKEN#IMPLIEDlanguage code (backwards compatible); language code as RFC3066
onclick CDATA #IMPLIEDa pointer button was clicked; script expression
ondblclick CDATA #IMPLIEDa pointer button was double clicked; script expression
onkeydown CDATA #IMPLIEDa key was pressed down; script expression
onkeypress CDATA #IMPLIEDa key was pressed and released; script expression
onkeyup CDATA #IMPLIEDa key was released; script expression
onmousedown CDATA #IMPLIEDa pointer button was pressed down; script expression
onmousemove CDATA #IMPLIEDa pointer was moved within; script expression
onmouseout CDATA #IMPLIEDa pointer was moved away; script expression
onmouseover CDATA #IMPLIEDa pointer was moved onto; script expression
onmouseup CDATA #IMPLIEDa pointer button was released; script expression
style CDATA #IMPLIEDassociated style info; style sheet data
title CDATA #IMPLIEDadvisory title; text used for titles
xml:langNMTOKEN#IMPLIEDlanguage code (as per XML 1.0 spec); language code as RFC3066
Content( option )+
End tagRequired </optgroup>
Referenced in select
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2015-11-01 · John December · Contact · Terms of Use © December Communications, Inc.