overflow-y
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015年7月.
CSS 属性 overflow-y 设置当内容溢出块级元素的上下两侧时所显示的内容。可以不显示，或显示滚动条，或显示溢出内容。也可以使用