在网页上添加一个按钮，可以快速返回顶部和到达底部，有滑动效果
< Părere la script-ul 一个返回顶部和到达底部的按钮
找不到原图，只好自己动手做了，给大家分享一下// @resource up_button_icon https://s1.ax1x.com/2020/08/12/aXfqW4.png// @resource down_button_icon https://s1.ax1x.com/2020/08/12/aXfhyn.png
感谢分享
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找不到原图，只好自己动手做了，给大家分享一下
// @resource up_button_icon https://s1.ax1x.com/2020/08/12/aXfqW4.png
// @resource down_button_icon https://s1.ax1x.com/2020/08/12/aXfhyn.png