标签：scrolltop oct meta char files ati position for attr
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width,initial-scale=1.0"> <title>ssc_web</title> <script src="https://cdn.bootcss.com/vue/2.6.4/vue.min.js"></script> </head> <body> <div id="app"> <div id="scrollTree" style="height: 200px;width: 300px;overflow: auto"> <div style="height: 5000px;position: relative"> <div v-for="item in data" :style="{top:(item-1)*50+‘px‘}" style="height: 50px;position: absolute;width: 100%"> {{item}} </div> </div> </div> </div> <!-- built files will be auto injected --> </body> <script> var vm = new Vue({ el: ‘#app‘, data: function () { return {data: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]}; }, mounted: function () { document.getElementById(‘scrollTree‘).onscroll = function (e) { let i = parseInt((e.target.scrollTop + 250) / 50); if (i > 95) i = 95; vm.data = [i - 4, i - 3, i - 2, i - 1, i, i + 1, i + 2, i + 3, i + 4, i + 5]; }; } }); </script> </html>
页面流动条
原文地址：https://www.cnblogs.com/xiaoxiao95/p/13159635.html
