为按钮“butt1”添加鼠标点击事件侦听语句,并执行playmovie函数,这段代码正确的是 A: butt1.addEventListener(MouseEvent.CLICK,playmovie); B: butt1.addEventListener(MouseEvent.MOUSE_DOWN,playmovie); C: butt1.addEventListener(MouseEvent.MOUSE_ UP,playmovie); D: butt1.addEventListener(MouseEvent.MOUSE_OUT,playmovie);

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2022-07-29

为按钮“butt1”添加鼠标点击事件侦听语句,并执行playmovie函数,这段代码正确的是 A: butt1.addEventListener(MouseEvent.CLICK,playmovie); B: butt1.addEventListener(MouseEvent.MOUSE_DOWN,playmovie); C: butt1.addEventListener(MouseEvent.MOUSE_ UP,playmovie); D: butt1.addEventListener(MouseEvent.MOUSE_OUT,playmovie);

为按钮“butt1”添加鼠标点击事件侦听语句,并执行playmovie函数,这段代码正确的是
A: butt1.addEventListener(MouseEvent.CLICK,playmovie);
B: butt1.addEventListener(MouseEvent.MOUSE_DOWN,playmovie);
C: butt1.addEventListener(MouseEvent.MOUSE_ UP,playmovie);
D: butt1.addEventListener(MouseEvent.MOUSE_OUT,playmovie);

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