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最新推荐文章于 2022-05-01 17:33:36 发布

转载最新推荐文章于 2022-05-01 17:33:36 发布 · 4.4k 阅读

本文介绍了一个使用HTML和JavaScript实现的浮动广告窗口案例。该广告窗可在网页中随机位置显示，并能自动调整位置防止用户视觉疲劳。同时提供了关闭按钮以便用户移除广告窗。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body>
<div id="body">
   
   <div id="float_AD" style="position:absolute;z-index:1000;" onmouseover="window.clearInterval(timer)" onmouseout="timer=window.setInterval('changePos()',delay);">
    <a href="http://www.iterchina.cn/"><img src="https://img-blog.youkuaiyun.com/20170524093248122" style="width:300px; height:300px;" /></a>
   <span style="CURSOR:hand;color:red;font-weight:bold" onclick="clearInterval(timer);obj.style.visibility = 'hidden'">X</span>
   </div>
   <script type="text/javascript" language="JavaScript">
   var obj=document.getElementById("float_AD");
   var clientHeight=document.documentElement.clientHeight;
   var clientWidth=document.documentElement.clientWidth;
   var timer; var delay= 20;//移动速度
   function randomNum(size){ return Math.floor(Math.random()*(size-160+1)); }
   obj.style.top=randomNum(clientHeight)+"px";
   obj.style.left=randomNum(clientWidth)+"px";
   var y=parseInt(obj.style.top);
   var x=parseInt(obj.style.left);
   var flagX=false; var flagY=true;
   function moveY(){ if(flagY){ y++; if(y>clientHeight-160){ flagY=false; } }else{ y--; if(y<0){ flagY=true; } } obj.style.top=y+"px"; }
   function moveX(){ if(flagX){ x++; if(x>clientWidth-160){ flagX=false; } }else{ x--; if(x<0){ flagX=true; } } obj.style.left=x+"px"; }
   window.onresize=function(){ clientHeight=document.documentElement.clientHeight; clientWidth=document.documentElement.clientWidth; }
   function changePos(){moveY();moveX(); }
   function creatTimer(){timer = window.setInterval("changePos();",delay); }
   function hide() {obj.style.display = "none";
   obj.onmouseout = function() {obj.style.visibility = "hidden";}}
   var url = window.location.href;if (true) {creatTimer();} else {hide();}// url == "http://www.xxxxx.cn/"
   </script>

</body>
</html>