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jquery realizes the advertising code for sliding large images to shrink into small banner images at regular intervals_jquery

WBOYOriginal: 2016-05-16 15:40:581129browse

The example in this article describes the jquery advertising code that implements the sliding screen of a large image to shrink into a small banner image at regular intervals. Share it with everyone for your reference. The details are as follows:

This is a JS advertising special effect based on jQuery. The large sliding screen advertisement is regularly shrunk into a small banner image advertising code. This kind of advertisement can still be seen on major portal websites. You can see it when you first open the web page. Go to the large picture ad that slides down. After a while, the ad automatically shrinks and becomes a banner ad with a close button to close the ad. For ads, this code is quite practical.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/jquery-scroll-big-pic-cha-style-codes/

The specific code is as follows:

<!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>
<title>jQuery顶部大图定时缩为小广告可关闭代码</title>
<style>
body{ margin:0; padding:0;}
img{ border:0}
.root1200{ width:1200px; height:100px; margin:0 auto; overflow:visible}
.wrapper em{ width:40px; height:15px; float:left; color:#FFF; font-size:12px; font-family:Verdana, Geneva, sans-serif;background:#333; margin:0 0 -20px 10px; padding:2px 5px 2px 10px; z-index:999; position:absolute; top:10px;}
</style>
<script language="javascript" src="jquery-1.6.2.min.js"></script>
</head>
<body>
<script type="text/javascript">
/*
* 宽窄屏切换
* */
var bigscreen = false;
if ( screen.width>=1200 ) {
bigscreen = true;
var bodyTag = document.getElementsByTagName("body")[0],
bodyClassName = bodyTag.getAttribute("className") || bodyTag.getAttribute("class");
bodyClassName = bodyClassName &#63; bodyClassName+" " : "";
bodyTag.className = bodyClassName+"root1200";
}
</script>
<div class="wrapper" id="snActive-wrap"> 
<em title="关闭广告">Close</em>
<a target="_blank" name="redbaby_none_ggw_dt01" title="小图" href="/"></a>
<a target="_blank" name="redbaby_none_ggw_dt01" title="大图"  href="/"></a>
</div>
<script type="text/javascript">
~function (){
var snActive = window.snActive = document.getElementById("snActive-wrap"),
a = snActive.getElementsByTagName("a"),
h = 0, w, imgSrc = [];
if (bigscreen){
w = 1190;
imgSrc[0] = "images/1390124030537_1200.jpg";// 40
imgSrc[1] = "images/1390124049068_1200.jpg";// 500
} else {
w = 990;
imgSrc[0] = "images/1390124028186.jpg";// 40
imgSrc[1] = "images/1390124043025.jpg";// 500
}
snActive.style.overflow = 'hidden';
a[0].style.display = "none";
a[0].innerHTML += '<img width="' + w + '" height="40" src="' + imgSrc[0] + '" style="display:block" />';
if(a[1]){
a[1].innerHTML += '<img width="' + w + '" height="500" src="' + imgSrc[1] + '" style="display:block" />';
}
}();
//关闭通栏广告
var snActive = $(snActive),
hideImg = snActive.find('a:hidden'),
em = snActive.find("em");
timeout = !1;
if(hideImg[0]) {
timeout = setTimeout(function(){
snActive.animate({height:40},600,function(){
hideImg.siblings('a:visible').hide();
hideImg.show();
em.show().live("click",function(){
snActive.slideUp(300);
});
});
}, 3000)
}
</script>
<div style="text-align:center;clear:both">
</div>
</body>
</html>

I hope this article will be helpful to everyone’s jquery programming design.

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jquery realizes the advertising code for sliding large images to shrink into small banner images at regular intervals_jquery

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