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@beisen-phoenix/back-top

v3.3.55

Published

> [设计稿: NatureDesign #BackTop](http://nature.beisen.co/NaturedesignSpec/Naturedesign3.0/NaturedesignSpec-PC/preview/%5bPC%5dNaturedesign3.0.5/3Navigation-08-BackTop/) > > [共享中心展示 #1647](http://cmp.italent-inc.cn/details?id=1647)

Downloads

236

Readme

返回顶部

设计稿: NatureDesign #BackTop

共享中心展示 #1647

概述

常用于当页面内容区域比较长或用户需要频繁返回顶部查看相关内容时。

API

此组件是挂载在 body 根上的。

| 参数 | 说明 | 类型 | 默认值 | 是否必填 | | --------- | ----------------------------------------- | ------------------- | -------------- | -------- | | target | 需要监听滚动的元素,返回该 DOM 元素的函数 | Function | () => window | 否 | | threshold | 滚动多少距离出现「返回顶部」按钮 | number | 400 | 否 | | offset | 距离滚动容器右下角两边的距离 | number | 50 | 否 | | style | 样式 | React.CSSProperties | 无 | 否 |