js实现从右向左缓缓浮出网页浮动层广告的方法

网络编程 2024/11/20 佚名

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本文实例讲述了js实现从右向左缓缓浮出网页浮动层广告的方法。分享给大家供大家参考。具体实现方法如下：

<!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>从右向左缓缓浮出的网页浮动层广告</title>
<script language="javascript">
var $ = function (d){return document.getElementById(d)};
var CLS={
create: function() {
return function() {
this.$ADD = function (fn){CLS.add(this,fn)};
this.init.apply(this, arguments);
}
},
add:function (obj,fn){
fn.apply(obj,arguments);
},
enterFrame:function (){
this.onEnterFrame=function (){};
this.$PLAY = function (g){
this.enterFrameP = this.enterFrameP || 10;
this.CLStimeIndex = CLS.ontimes.length;
CLS.ontimes.push(this);
window.clearTimeout(this.enterFrameTimeout);
window.clearInterval(this.enterFrameInterval);
if(g)this.enterFrameTimeout = window.setTimeout('CLS.ontimes['+this.CLStimeIndex+'].enterFrameInterval=window.setInterval("CLS.ontimes['+this.CLStimeIndex+'].onEnterFrame()",'+this.enterFrameP+')',parseInt(g*1000));
else this.enterFrameInterval = window.setInterval("CLS.ontimes["+this.CLStimeIndex+"].onEnterFrame()",this.enterFrameP);
}
this.$STOP = function (){
window.clearInterval(this.enterFrameInterval);
}
this.$SET = function (p){
this.enterFrameP = p;
}
},
ontimes:new Array()
};
CLS.Marquee = CLS.create();
CLS.Marquee.prototype = {
init:function (button,box,speed){
this.box = $(box);
this.tit = $(button)
this.kong = $("kong");
this.onOpen = true;
this.show = false;
this.time = 0;
this.speed = speed;
this.kong.style.height = this.box.offsetHeight +"px";
this.Maxw = this.box.offsetWidth-this.tit.offsetWidth;
this.box.style.right = -this.box.offsetWidth + "px";
this.boxTop = this.kong.offsetTop;
var _t = this;
this.tit.onclick = function (){
this.show = true;
if(_t.onOpen){
_t.onEnterFrame = _t.close;
_t.onOpen = false;
}else{
_t.onEnterFrame = _t.open;
_t.onOpen = true;
}
_t.$PLAY();
};
this.$ADD(CLS.enterFrame);
this.onEnterFrame = this.open;
this.$PLAY();
},
open:function(){
this.tit.innerHTML = "-";
var _r = parseInt(this.box.style.right);
var _b = (0 - _r)/30;
this.box.style.right = (_r + _b) +"px";
this.kong.style.top = (document.documentElement.scrollTop + this.boxTop) +"px";
if(_b==0 && !this.show){
this.time +=10;
if(this.time>=this.speed*1000){
this.show = true;
this.onOpen = false;
this.$STOP();
this.onEnterFrame = this.close;
this.$PLAY(); 
}
} 
},
close:function (){
this.tit.innerHTML = "+";
var _r = parseInt(this.box.style.right);
var _b = (-this.Maxw - _r)/5;
this.box.style.right = Math.round(_r + _b) +"px";
this.kong.style.top = (document.documentElement.scrollTop + this.boxTop) +"px";
}
};
window.onload = function (){
setTimeout(function(){new CLS.Marquee("tit","abc",10)},3000);
//tit是点击按钮的Id ，abc是浮动块的ID,10是显示时长
};
</script>
<style type="text/css">
<!--
#abc {
border: 1px solid #003399;
position: absolute;
height: 150px;
width: 220px;
right: -100%;
}
#abc #tit {
background-color: #0066FF;
position: relative;
height: 100%;
width: 20px;
color: #FFFFFF;
text-align: center;
float: left;
}
#kong {
position: absolute;
width: 100%;
top: 100px;
overflow: hidden;
top: 100px;
right: 0px;
}
.right {
float: right;
width: 190px;
padding: 5px;
}
-->
</style>
</head>
<body style="margin:0px;">
<!--浮动框外面套一层，防止出现横向滚动条-->
<div id="kong">
<!--浮动框-->
<div id="abc">
<div id="tit">-</div>
<div class="right">
<a href="/">网页上从右边缓缓弹出的广告框效果</a></div>
</div>
</div>
右侧广告3秒后弹出
</body>
</html>

希望本文所述对大家的javascript程序设计有所帮助。

js,从右向左浮出,网页,浮动层广告

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