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页面内容太多分步加载，用js和vue实现滚动条下拉加载功能

作者：互联网

效果：
在这里插入图片描述
代码

<!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>Document</title>
  <style>
    div{
      width: 400px;
      height: 500px;
      border: 2px solid black;
      margin: 100px auto;
      overflow: scroll;
    }
    span{
      display: inline-block;
      background: rgb(20, 148, 233);
      margin-top: 10px;
      margin-left: 15px;
      padding: 3px 12px;
    }
  </style>
</head>
<body>
  <div id="app">
    <span v-for="item in data.slice(0,showNum)">{{item}}</span>
  </div>
  
</body>
<script src="./vue/vue.min.js"></script>
<script>
  new Vue({
    el: '#app',
    data(){
      return{
        data:['sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq','sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq',
        'sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq','sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq',
        'sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq','sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq',
        'sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq','sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq',
        'sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq','sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq',
        'sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq','sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq',
        'sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq','sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq',
        'sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq','sad','sdf','jgsdfh','sfg','qwe','blink','aoe','ntr','asd','aaa','fgnb','fgsb','qqq','vt','qe','aeqrq'],
        showNum: 80
      }
    },
    mounted(){
      let _this = this;
      document.querySelector('div').onscroll = function(){
        if((this.scrollHeight - this.scrollTop )== this.clientHeight){
          _this.showNum += 20;
        }
      }
    }
  })
</script>
</html>

标签：fgsb,vue,jgsdfh,js,vt,asd,sfg,blink,加载
来源： https://blog.csdn.net/WanweI897/article/details/121317749