javascript网页右下角弹窗效果
分类：实例代码
本章节分享一段代码实例，它实现了网页右下角弹窗效果。
此种类似效果在大量网站中都有应用，比如用来发送通知，或者展现广告。
下面就通过代码实例介绍一下如何实现此效果。
代码如下:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.51texiao.cn/" />
<title>前端教程网</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';
var obt=document.getElementById("bt");
var oCloseBt=document.getElementById("close");
setTimeout("tips_pop()",800);
obt.onclick=function(){tips_pop()}
oCloseBt.onclick=function(){
tips_pop()
}
}
</script>
</head>
<body>
<div id="silu">
<button id="bt">查看效果</button>
</div>
<div id="winpop">
<div class="title">您有新的消息
<span class="close" id="close">X</span>
</div>
<div class="con">未读信息(1)</div>
</div>
</body>
</html>