console 命令行工具 X clear

console

 var eBody=document.documentElement||document.body;
     window.addEventListener("scroll",()=>{
            var scrollTop=document.body.scrollTop;
            alert(scrollTop+","+window.scrollTop)
        })

<meta name="viewport" content="width=device-width"/>
<input type="date" name="user_date" placeholder="开始时间" />

body{
  
  height:1000px;
}