单项选择题
A./^\w{2,}/B./^[a-z][a-z0-9]+$/C./^[a-z0-9]+$/D./^[a-z]\d+$/
A.ValidateB.AccordionC.CalendarD.Growl
A.onclick事件B.onmouseover事件C.onmouseout事件D.onchange事件