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2 位贡献者:
Type: element
Holds the currently selected item. If no item is currently selected, this value will be null. You can select an item by setting this value. A select event will be sent to the element when it is changed either via this property, the selectedIndex property, or changed by the user.


向此页面作出贡献: ziyunfei, Cuimingda
最后编辑者: ziyunfei,