本文實例為大家分享了微信小程序頁面返回頂部的具體代碼,供大家參考,具體內容如下
效果預覽:

js部分:
Page({ data: { topNum: 0 }, returnTop: function () { this.setData({ topNum: this.data.topNum = 0 }); }}) wxml部分:
<scroll-view scroll-y scroll-with-animation='true' scroll-top='{{ topNum }}'> <view>1</view> <view>1</view> <view>1</view> <view>1</view> <view>1</view> <view>1</view> <view>1</view> <view>1</view> <view>1</view> <view>1</view></scroll-view><view class='top' catchtap='returnTop'>頂部</view>wxss部分:
page{ width: 100%; height: 100%;}scroll-view{ height: 100%; width: 100%;}view{ width: 100%; height: 200px; text-align: center; line-height: 200px; font-weight: 600;}view:nth-child(odd){ background-color: red;}.top{ width: 50px; height: 50px; position: fixed; right: 10px; bottom: 10px; z-index: 1; background-color: yellow; color: red; text-align: center; line-height: 50px;}以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持錯新站長站。
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