js滚动条平滑移动示例代码

(编辑：jimmy 日期: 2025/12/9 浏览：3 次 )

本文实例为大家分享了js滚动条平滑移动相关代码，供大家参考，具体内容如下

html页

<!DOCTYPE html> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> 
  <title></title> 
  <script src="/UploadFiles/2021-04-02/JavaScript9.js">

js页




var body, back, container, main,bt; //dom 
 
window.onload = function () { 
  domload(); 
  dominit(); 
  events(); 
}; 
var domload = function () { 
  body = document.body; 
  back = $("back"); 
  container = $("container"); 
  main = $("main"); 
  bt = $("bt"); 
}; 
var dominit = function () { 
  setH(back, screenH); 
  setH(container, screenH); 
  setH(main, screenW); 
}; 
var events = function () { 
  AddEvent(bt, EventsType[0], function () { 
    var speed = 10; 
    var min = 0,max = 449; 
    var scrolldown = function () { 
      min += speed; 
      if (min < max) { 
        container.scrollTop = min; 
        setTimeout(scrolldown, 4); 
      } 
    }; 
    setTimeout(scrolldown, 100); 
  }); 
}; 


css页




* { 
  margin:0px; 
  padding:0px; 
} 
#back { 
  position: absolute; 
  width: 100%; 
  top: 0px; 
  left: 0px; 
  z-index: 1; 
  background-image: url('../Images/psbg/bg7.png'); 
} 
#container{ 
  position:absolute; 
  width:100%; 
  top:0px; 
  left:0px; 
  z-index:100; 
  overflow:auto; 
} 
#main{ 
  position:absolute; 
  width:100%; 
  top:0px; 
  left:0px; 
} 
.d{ 
  margin-top:50px; 
} 
#bt{ 
  position:absolute; 
  top:0; 
  right:50px; 
  z-index:200; 
} 



以上就是本文的全部内容，希望对大家的学习有所帮助。

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