JS实现简单的右下角弹出提示窗口完整实例

本文实例讲述了JS实现简单的右下角弹出提示窗口效果。分享给大家供大家参考，具体如下：

<!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" />
  <title>aa</title>
  <style type="text/css">
   * {
    margin: 0px;
    padding: 0px;
   }
   html, body {
    height: 100%;
   }
   body {
    font-size: 14px;
    line-height: 24px;
   }
   #tip {
    position: absolute;
    right: 0px;
    bottom: 0px;
    height: 0px;
    width: 180px;
    border: 1px solid #CCCCCC;
    background-color: #eeeeee;
    padding: 1px;
    overflow: hidden;
    display: none;
    font-size: 12px;
    z-index: 10;
   }
   #tip p {
    padding: 6px;
   }
   #tip h1 {
    font-size: 14px;
    height: 25px;
    line-height: 25px;
    background-color: #0066CC;
    color: #FFFFFF;
    padding: 0px 3px 0px 3px;
    filter: Alpha(Opacity = 100);
   }
   #tip h1 a, #detail h1 a {
    float: right;
    text-decoration: none;
    color: #FFFFFF;
   }
  </style>
  <script type="text/javascript">
   window.onload = function(){
    var divTip = document.createElement("div");
    divTip.id = "tip";
    divTip.innerHTML = "<h1><a href='javascript:void(0)' onclick='start()'>关闭</a>title</h1><p><a href='javascript:void(0)' onclick='showwin()'>content</a></p>";
    divTip.style.height = '0px';
    divTip.style.bottom = '0px';
    divTip.style.position = 'fixed';
    document.body.appendChild(divTip);
   }
   var handle;
   function start(count){
    var obj = document.getElementById("tip");
    if (parseInt(obj.style.height) == 0) {
     obj.style.display = "block";
     handle = setInterval("changeH('up')", 20);
    }
    else {
     handle = setInterval("changeH('down')", 20)
    }
   }
   function changeH(str){
    var obj = document.all ? document.all["tip"] : document.getElementById("tip"); //docuemnt.all ??????
    if (str == "up") {
     if (parseInt(obj.style.height) > 100)
      clearInterval(handle);
     else
      obj.style.height = (parseInt(obj.style.height) + 8).toString() + "px";
    }
    if (str == "down") {
     if (parseInt(obj.style.height) < 8) {
      clearInterval(handle);
      obj.style.display = "none";
     }
     else
      obj.style.height = (parseInt(obj.style.height) - 8).toString() + "px";
    }
   }
   function showwin(){
    //document.getElementsByTagName("html")[0].style.overflow = "hidden";
    start();
   }
  </script>
 </head>
 <body>
  <a href="#" onclick="start()">click</a>
 </body>
</html>

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希望本文所述对大家JavaScript程序设计有所帮助。