文档声明鼠标滚轮事件向上传递容器层次结构，但错误导致这件事无法发生，所以您需要为按钮增加一个侦听器。

Documentation states that mouse wheel events propagate up the container hierarchy, but the bug prevents this from happening so you'll need to attach the listener to the button.

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Hold举个例子，按住Cm d键再向上滑动鼠标滚轮可以向右侧浏览文档。

For example, hold down Cmd + scroll up will navigate to right.

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当使用者按一下滑鼠滚轮时，便在内容中向上卷动。

Scrolls right within content after a user clicks the wheel button on a mouse.

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