H5监听底部事件 - W3xue在线HTML/CSS/JS运行工具

<html> 
 
    <head> 
 
    <meta charset="UTF-8">
 
        <title>监听滚动到底部滚动底部</title> 
 
        <style> 
.div2{
width:100px;
height:100px;
border:1px solid red
}
*{
margin:0
}
.button1:active{
   background:red
}
body{
height:375px;
width:667px;
border:1px solid red
}
.div1{
height:600px;
width:100%;
background:red
}
.div2{
height:600px;
width:100%;
background:green
}
.div3{
height:600px;
width:100%;
background:blue
}
.div4{
height:600px;
width:100%;
background:yellow
}
 
 
        </style> 
 
    </head> 
   
 
        
 
    <body > 
    <div class="div0">
    <div class="div1"></div>
    <div class="div2"></div>
    <div class="div3"></div>
    <div class="div4"></div>
    <div class="div5"></div>
    
    
    </div>
 
    </body> 
 
    <script>
    window.onload = function(){
  //获取容器父元素
    var div0 = document.getElementsByClassName('div0')[0];
    //height 计算属性的高度
    var height = parseInt((window.getComputedStyle(div0, null).height).replace('px', ''));
    
    console.log(height,"div0的计算高度")
    
    window.onscroll = function(){
/*
scrollTop 为滚动条顶端距离界面右上角的距离，这里采用了兼容性写法

*/
var scrollTop = document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop;
     //+-5是为了保证一定的弹性，并非要刚好相等才出发，
    if(height-5<=scrollTop+document.body.clientHeight&&scrollTop+document.body.clientHeight<=height+15){
      console.log('监听成功','到达底部')
    }
    }
    }
    </script>
</html>

AخA
var scrollTop = document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop;
 
<html> 
 
    <head> 
 
    <meta charset="UTF-8">
 
        <title>监听滚动到底部滚动底部</title> 
 
        <style> 
.div2{
width:100px;
height:100px;
border:1px solid red
}
*{
margin:0
}
.button1:active{
   background:red
}
body{
height:375px;
width:667px;
border:1px solid red
}
.div1{
height:600px;
width:100%;
background:red
}
.div2{
height:600px;
width:100%;
background:green
}
.div3{
height:600px;
width:100%;
background:blue
}
.div4{
height:600px;
width:100%;
background:yellow
}
 
 
        </style> 