Canceling the event chain for the keyboard event by setting the cancelBubble property on the EVENT object to true

将EVENT对象的cancelBubble属性设置为true，取消键盘事件的事件链

youdao

Canceling the event chain for the keyboard event by setting the cancelBubble property on the EVENT object to true

将EVENT对象的cancelBubble属性设置为true，取消键盘事件的事件链

youdao