让背景如此暗淡（一种弹出提示信息时页面背景色调改变的方法

2024-09-06 12:44:45

字体：大中小

来源：转载

供稿：网友

这个效果前些日子有人在论坛问起，今天有空研究了下。我打了原创标记，因为我在写这个方法时的确没有参考过别人的代码。我的方法其实就是层遮罩加ALPHA滤镜实现预期效果。

<head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>提示信息框</title> <style type="text/css"> a{ color:#000; font-size:12px;text-decoration:none} a:hover{ color:#900; text-decoration:underline} body{background:;filter:progid:DXImageTransform.Microsoft.Gradient(gradientType=0,startColorStr=#ffffff,endColorStr=#003366); overflow:hidden} #massage_box{ position:absolute;  left:expression((body.clientWidth-350)/2); top:expression((body.clientHeight-200)/2); width:350px; height:200px;filter:dropshadow(color=#666666,offx=3,offy=3,positive=2); z-index:2; visibility:hidden} #mask{ position:absolute; top:0; left:0; width:expression(body.clientWidth); height:expression(body.clientHeight); background:#666; filter:ALPHA(opacity=60); z-index:1; visibility:hidden} .massage{border:#036 solid; border-width:1 1 3 1; width:95%; height:95%; background:#fff; color:#036; font-size:12px; line-height:150%} .header{background:#036; height:10%; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:12px; padding:3 5 0 5; color:#fff} </style> </head><body>  本站提示信息 × <ul style="margin-right:25"> 本人申明此博客所有文章（包括文章插图）均为原创，如需引用或转载请注明出处。  欢迎大家对博文中观点留言评述，谢绝无聊人士无素质无观点的灌水漫骂。本站已设背景音乐，听音乐盒中收集的音乐时请先到页面底部关闭背景音乐。  显示提示信息 </body> </html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]
拖动消息框

<head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>提示信息框</title> <style type="text/css"> a{ color:#000; font-size:12px;text-decoration:none} a:hover{ color:#900; text-decoration:underline} body{background:;filter:progid:DXImageTransform.Microsoft.Gradient(gradientType=0,startColorStr=#ffffff,endColorStr=#003366); overflow:hidden} #massage_box{ position:absolute;  left:expression((body.clientWidth-350)/2); top:expression((body.clientHeight-200)/2); width:350px; height:200px;filter:dropshadow(color=#666666,offx=3,offy=3,positive=2); z-index:2; visibility:hidden} #mask{ position:absolute; top:0; left:0; width:expression(body.clientWidth); height:expression(body.clientHeight); background:#666; filter:ALPHA(opacity=60); z-index:1; visibility:hidden} .massage{border:#036 solid; border-width:1 1 3 1; width:95%; height:95%; background:#fff; color:#036; font-size:12px; line-height:150%} .header{background:#036; height:10%; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:12px; padding:3 5 0 5; color:#fff}             </SPAN>
</div>
</div>
<div class=page1>
<p align="center" class="pageLink"></p>
</div>

<div class="fenxiang">

<div style="text-align:left">上一篇：<a href='/wen/2024/09-06/1562288.html'>实现iframe延时加载</a></div>
<br>
<div style="text-align:left">下一篇：<a href='/wen/2024/09-06/1562290.html'>获取DOM对象的几种扩展及简写</a></div>
<br>
<script src=/d/js/acmsd/gao21.js></script>

</div>

<div class="pinglun">

<script>
		  function CheckPl(obj)
		  {
		  if(obj.saytext.value=="")
		  {
		  alert("您没什么话要说吗？");
		  obj.saytext.focus();
		  return false;
		  }
		  return true;
		  }
		  </script><form action="/e/pl/doaction.php" method="post" name="saypl" id="saypl" onsubmit="return CheckPl(document.saypl)">
<table width="100%" border="0" cellpadding="0" cellspacing="0" id="plpost">

学习交流