• yui
• ::
• Class ButtonGroup
• ::
• getCount()

method:getCount ( )
return type:number
content:ใช้คืนค่า จำนวน button ทั้งหมด ที่อยู่ภายใน buttonGroup
example:var attributes = { name: "button-group", disabled: false }; 
var group_button = new YAHOO.widget.ButtonGroup ( "bgroup", attributes );
group_button.addButtons (
    [ 
        { label: "Radio 1", value: "1", checked: true }, 
        { label: "Radio 2", value: "2" },  
        { label: "Radio 3", value: "3" }
    ]
); 
var count_button = group_button.getCount ( );