Marquee 我正试图让两个字幕停止在点击按钮。我应该如何命名帐篷,如何告诉他们正确停止?

Marquee 我正试图让两个字幕停止在点击按钮。我应该如何命名帐篷,如何告诉他们正确停止?,marquee,Marquee,两款“mymarquee”级别的字幕 <marquee behavior="scroll" direction="left" class="mymarquee"> </marquee> <marquee behavior="scroll"; class="mymarquee"><img src="http://www.worldpeace-uk.org/wp-content/uploads/2013/07/smiley-face.jpg" width="

两款“mymarquee”级别的字幕

<marquee behavior="scroll" direction="left" class="mymarquee">
</marquee>
<marquee behavior="scroll"; class="mymarquee"><img src="http://www.worldpeace-uk.org/wp-content/uploads/2013/07/smiley-face.jpg" width="100" height="100" alt="smile"></marquee>

我试着让他们停下来,但当我给他们打电话时什么也没发生

    <input type="button" value="Stop Marquee" onClick="document.getElementByClassName('#mymarquee').stop();">
    <input type="button" value="Start Marquee" onClick="document.getElementByClassName('#mymarquee').start();">