js实现右下角的弹窗，可做提示信息用

2015-04-30 网页编程网 网页编程网

<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>右下角的弹窗</title>
<style type="text/css">
body { background:#333333;}
#winpop {
width:200px; height:0px; 
position:absolute; right:0; bottom:0;
border:1px solid #999999; margin:0; padding:1px;
overflow:hidden; display:none; background:#FFFFFF
}
#winpop .title {
width:100%; height:20px;
line-height:20px; background:#FFCC00;
font-weight:bold; text-align:center;
font-size:12px;
}
#winpop .con {
width:100%; height:80px;
line-height:80px; font-weight:bold;
font-size:12px; color:#FF0000;
text-decoration:underline; text-align:center
}
#silu {
font-size:13px; color:#999999;
position:absolute; right:0;
text-align:right; text-decoration:underline;
line-height:22px;
}
.close {
position:absolute; right:4px; top:-1px;
color:#FFFFFF; cursor:pointer
}
</style>
<script type="text/javascript">
function tips_pop(){
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);
if (popH==0){ 
MsgPop.style.display="block";
show=setInterval("changeH('up')",2);
}
else { 
hide=setInterval("changeH('down')",2);
}
}
function changeH(str) {
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);
if(str=="up"){ 
if (popH<=100){ 
MsgPop.style.height=(popH+4).toString()+"px";
}
else{
clearInterval(show);
}
}
if(str=="down"){
if (popH>=4){ 
MsgPop.style.height=(popH-4).toString()+"px";
}
else{ 
clearInterval(hide); 
MsgPop.style.display="none"; 
}
}
}
window.onload=function(){ 
document.getElementById('winpop').style.height='0px';
setTimeout("tips_pop()",800); 
}
</script>
</head>
<body>
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<hr>
<div id="silu">
<button onclick="tips_pop()">测试按钮</button>
</div>
<div id="winpop">
<div class="title">您有新的消息
<span class="close" onclick="tips_pop()">X</span></div>
<div class="con">未读信息(1)</div>
</div>
<div>http://www.youkud.com</div>
</body></html>

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