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JavaScript怎么实现网页右下角弹出窗口代码
html
head
metahttp-equiv="Content-Type" content="text/html;charset=utf-8" /
titleJavaScript实现网页右下角弹出窗口代码/title
/head
style type="text/css"
#winpop { width:200px; height:0px;position:absolute; right:0; bottom:0; border:1px solid #666; margin:0;padding:1px; overflow:hidden; display:none;}
#winpop .title { width:100%; height:22px;line-height:20px; background:#FFCC00; font-weight:bold; text-align:center;font-size:12px;}
#winpop .con { width:100%; height:90px;line-height:80px; font-weight:bold; font-size:12px; color:#FF0000;text-decoration:underline; text-align:center} /* */
#silu { font-size:12px; color:#666;position:absolute; right:0; text-align:right; text-decoration:underline;line-height:22px;}
.close { position:absolute; right:4px;top:-1px; color:#FFF; cursor:pointer}
/style
scripttype="text/javascript"
function tips_pop(){
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);//将对象的高度转化为数字
if (popH==0){
MsgPop.style.display="block";//显示隐藏的窗口
show=setInterval("changeH('up')",2);
}
else {
hide=setInterval("changeH('down')",2);
}
}
function changeH(str) {
varMsgPop=document.getElementById("winpop");
varpopH=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"; //隐藏DIV
}
}
}
window.onload=function(){//加载
document.getElementById('winpop').style.height='0px';
setTimeout("tips_pop()",800);//3秒后调用tips_pop()这个函数
}
/script
body
div id="silu"
buttononclick="tips_pop()"3秒后会在右下角自动弹出窗口，如果没有弹出请点击这个按钮/button
/div
div id="winpop"
div您有新的短消息！spanclass="close"onclick="tips_pop()"X/span/div
div1条ahref=""经典语录/a(/div
/div
/body
/html
弹出广告js代码 广告置于右下角的解决方法
可关闭，可最小化，带点淡入淡出效果的右下角弹出广告；
参考如下：
html
head
title右下角广告代码/title
style type="text/css"
#msg_win{border:1px solid #A67901;background:#EAEAEA;width:300px;position:absolute;right:2;margin:0px;display:none;overflow:hidden;z-index:99;}
#msg_win .icos{position:absolute;top:2px;*top:0px;right:2px;z-index:9;}
.icos a{float:left;color:#833B02;margin:1px;text-align:center;text-decoration:none;font-family:webdings;}
.icos a:hover{color:#fff;}
#msg_title{background:#FECD00;border-bottom:1px solid #A67901;border-top:1px solid #FFF;border-left:1px solid #FFF;color:#000;height:25px;line-height:25px;text-indent:5px;}
#msg_content{margin:2px;width:300px;height:200px;overflow:hidden;}
/style
/head
body
p style="height:1000px;"/p
div id="msg_win" style="display:block;top:490px;visibility:visible;opacity:1;"
div class="icos"a id="msg_min" title="最小化" href="javascript:void 0"_/aa id="msg_close" title="关闭" href="javascript:void 0"×/a/div
div id="msg_title"广而告之：/div
div id="msg_content"a href="" target="_blank"img src="" width="300" height="270" border="0"/a/div
/div
/body
/html
script language="javascript"
var Message={
set: function() {//最小化与恢复状态切换
var set=this.minbtn.status == 1?[0,1,'block',this.char[0],'最小化']:[1,0,'none',this.char[1],'恢复'];
this.minbtn.status=set[0];
this.win.style.borderBottomWidth=set[1];
this.content.style.display =set[2];
this.minbtn.innerHTML =set[3]
this.minbtn.title = set[4];
this.win.style.top = this.getY().top;
},
close: function() {//关闭
this.win.style.display = 'none';
window.onscroll = null;
},
setOpacity: function(x) {//设置透明度
var v = x = 100 ? '': 'Alpha(opacity=' + x + ')';
this.win.style.visibility = x=0?'hidden':'visible';//IE有绝对或相对定位内容不随父透明度变化的bug
this.win.style.filter = v;
this.win.style.opacity = x / 100;
},
show: function() {//渐显
clearInterval(this.timer2);
var me = this,fx = this.fx(0, 100, 0.1),t = 0;
this.timer2 = setInterval(function() {
t = fx();
me.setOpacity(t[0]);
if (t[1] == 0) {clearInterval(me.timer2) }
},10);
},
fx: function(a, b, c) {//缓冲计算
var cMath = Math[(a - b) 0 ? "floor": "ceil"],c = c || 0.1;
return function() {return [a += cMath((b - a) * c), a - b]}
},
getY: function() {//计算移动坐标
var d = document,b = document.body, e = document.documentElement;
var s = Math.max(b.scrollTop, e.scrollTop);
var h = /BackCompat/i.test(document.compatMode)?b.clientHeight:e.clientHeight;
var h2 = this.win.offsetHeight;
return {foot: s + h + h2 + 2+'px',top: s + h - h2 - 2+'px'}
},
moveTo: function(y) {//移动动画
clearInterval(this.timer);
var me = this,a = parseInt(this.win.style.top)||0;
var fx = this.fx(a, parseInt(y));
var t = 0 ;
this.timer = setInterval(function() {
t = fx();
me.win.style.top = t[0]+'px';
if (t[1] == 0) {
clearInterval(me.timer);
me.bind();
}
},10);
},
bind:function (){//绑定窗口滚动条与大小变化事件
var me=this,st,rt;
window.onscroll = function() {
clearTimeout(st);
clearTimeout(me.timer2);
me.setOpacity(0);
st = setTimeout(function() {
me.win.style.top = me.getY().top;
me.show();
},600);
};
window.onresize = function (){
clearTimeout(rt);
rt = setTimeout(function() {me.win.style.top = me.getY().top},100);
}
},
init: function() {//创建HTML
function $(id) {return document.getElementById(id)};
this.win=$('msg_win');
var set={minbtn: 'msg_min',closebtn: 'msg_close',title: 'msg_title',content: 'msg_content'};
for (var Id in set) {this[Id] = $(set[Id])};
var me = this;
this.minbtn.onclick = function() {me.set();this.blur()};
this.closebtn.onclick = function() {me.close()};
this.char=navigator.userAgent.toLowerCase().indexOf('firefox')+1?['_','::','×']:['0','2','r'];//FF不支持webdings字体
this.minbtn.innerHTML=this.char[0];
this.closebtn.innerHTML=this.char[2];
setTimeout(function() {//初始化最先位置
me.win.style.display = 'block';
me.win.style.top = me.getY().foot;
me.moveTo(me.getY().top);
},0);
return this;
}
};
Message.init();
/script
JS代码（右下角弹出对话框）中的popshow函数详解！
这里有一个弹出广告效果
能自定义定位并随屏滚动而不抖动
里面有教程和源码
