纯js实现网页动态大图背景效果
效果呢大家看演示，，亲测是兼容大部分浏览器。。
在注册登录页面用上还是很不错的哦。。
演示地址：点我查看演示
下面就是完整的代码
<!DOCTYPE html>
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>动态背景代码</title>
<meta name="keywords" content="小洋，资源网，我爱搜，我爱搜罗，我爱网，吾爱，52搜罗，爱q资源网，小k娱乐网，爱搜索，小新娱乐网，小刀娱乐网，吾爱分享,吾爱共享">
</head>
<body >
<!--navbar end-->
<script src="https://www.wuioo.cn/00/jquery-1.8.2.min.js"></script>
<script src="https://www.wuioo.cn/00/supersized.3.2.7.min.js"></script>
<script type="text/javascript">
jQuery(function($){
$.supersized({
// Functionality
slide_interval : 4000, // Length between transitions
transition : 1, // 0-None, 1-Fade, 2-Slide Top, 3-Slide Right, 4-Slide Bottom, 5-Slide Left, 6-Carousel Right, 7-Carousel Left
transition_speed : 1000, // Speed of transition
performance : 1, // 0-Normal, 1-Hybrid speed/quality, 2-Optimizes image quality, 3-Optimizes transition speed // (Only works for Firefox/IE, not Webkit)
// Size & Position
min_width : 0, // Min width allowed (in pixels)
min_height : 0, // Min height allowed (in pixels)
vertical_center : 1, // Vertically center background
horizontal_center : 1, // Horizontally center background
fit_always : 0, // Image will never exceed browser width or height (Ignores min. dimensions)
fit_portrait : 1, // Portrait images will not exceed browser height
fit_landscape : 0, // Landscape images will not exceed browser width
// Components
slide_links : 'blank', // Individual links for each slide (Options: false, 'num', 'name', 'blank')
slides : [ // Slideshow Images
{image : 'http://image2.sina.com.cn/dongman/upload/45/1141/20060102/486/97331/97338.jpg'},
{image : 'http://img02.tooopen.com/images/20140319/sy_57067992248.jpg'},
{image : 'http://img.t.388g.com/27/images/201611/1479881738640498.jpg'},
{image : 'http://p3.so.qhimgs1.com/t010063d68aff17c943.jpg'}
]
});
});</script>
<style type="text/css">
<!--主要的css-->
.login-container{margin:10% auto 0 auto}
.member {
background: rgba(66, 65, 65, 0.49);
z-index: 1;
position: relative;
padding: 5% 8%;
}.topBar {
display:none;
}
.register-container{margin:0 auto 0 auto; padding: 30px 0 120px 0;
max-width: 380px;
width: 96%;
margin: 0 auto;
}
.register-tis { line-height: 42px;
margin: 15px auto 0px;
padding: 0 15px;
border: 1px solid #00BCD4;
border-radius: 6px;
background: rgba(255, 255, 255, 0);
color: #00BCD4;}
img { border:none; }
#supersized { display:block; position:fixed; left:0; top:0; overflow:hidden; z-index:-999; height:100%; width:100%; }
#supersized img { width:auto; height:auto; position:relative; display:none; outline:none; border:none; }
#supersized.speed img { -ms-interpolation-mode:nearest-neighbor; image-rendering: -moz-crisp-edges; } /*Speed*/
#supersized.quality img { -ms-interpolation-mode:bicubic; image-rendering: optimizeQuality; } /*Quality*/
#supersized li { display:block; list-style:none; z-index:-30; position:fixed; overflow:hidden; top:0; left:0; width:100%; height:100%; background:#111; }
#supersized a { width:100%; height:100%; display:block; }
#supersized li.prevslide { z-index:-20; }
#supersized li.activeslide { z-index:-10; }
#supersized li.image-loading img{ visibility:hidden; }
#supersized li.prevslide img, #supersized li.activeslide img{ display:inline; }
#supersized img { max-width: none !important }
</style>
</body></html>
