Jquery制作左侧浮动层跟随页面滚动。
1、jQuery 导航菜单、广告 —— 固定、置顶、跟随
2、jQuery 智能判断跟随页面滚动的导航、菜单、广告,下拉后跟随置顶特效代码
3、jQuery - 多个菜单导航滚动跟随,全部积累固定在顶端
4、jquery 实现导航栏置顶跟随窗口滚动
5、即插即用javascript 导航/广告 窗口滚动跟随的效果
以上5种导航/广告滚动跟随都可以正常使用,且亲测可用,今天再来分享另一种方法!
jquery 滚动跟随特效代码:
<script src="js/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
var obj = $('#sticky');
var offset = obj.offset();
var topOffset = offset.top;
var leftOffset = offset.left;
var marginTop = obj.css("marginTop");
var marginLeft = obj.css("marginLeft");
$(window).scroll(function() {
var scrollTop = $(window).scrollTop();
if (scrollTop >= topOffset){
obj.css({
marginTop: 0,
marginLeft: leftOffset,
position: 'fixed',
});
}
if (scrollTop < topOffset){
obj.css({
marginTop: marginTop,
marginLeft: marginLeft,
position: 'relative',
});
}
});
});
</script>完整的滚动跟随测试代码:
<!DOCTYPE html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Jquery制作左侧浮动层跟随页面滚动</title>
<style>
* {
color: #000;
}
/* http://www.sharejs.com */
a {
color: #000;
text-decoration: none;
}
#sticky {
margin-top: 50px;
margin-left: 50px;
padding: 5px;
background: rgba(255,255,255,1);
height: 120px;
width: 305px;
-webkit-border-radius: 7px;
-moz-border-radius: 7px;
border-radius: 7px;
}
#sticky:hover {
background: #6c6c6c;
background: rgba(54,54,54,0.80);
}
.carbonads-container {
}
.sticky_text {
color: #000;
text-align: center;
font-size: 16px;
line-height: 20px;
padding-top: 10px;
}
#text, h1 {
color: #000;
margin: 0 auto;
font-size: 1.2em;
line-height: 23px;
width: 500px;
}
h1, h2 {
font-weight: bold;
line-height: 50px;
}
a {
color: #e3e3e3;
}
a:hover {
color: #ccc;
}
#container {
width: 744px;
}
.menu {
float: left;
}
.button {
-moz-box-shadow: inset 0px 1px 0px 0px #ffffff;
-webkit-box-shadow: inset 0px 1px 0px 0px #ffffff;
box-shadow: inset 0px 1px 0px 0px #ffffff;
background: -webkit-gradient( linear, left top, left bottom, color-stop(0.05, #ededed), color-stop(1, #dfdfdf) );
background: -moz-linear-gradient( center top, #ededed 5%, #dfdfdf 100% );
filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ededed', endColorstr='#dfdfdf');
background-color: #ededed;
-moz-border-radius: 6px;
-webkit-border-radius: 6px;
border-radius: 6px;
border: 1px solid #dcdcdc;
display: inline-block;
color: #777777;
font-family: arial;
font-size: 15px;
font-weight: bold;
padding: 6px 24px;
text-decoration: none;
text-shadow: 1px 1px 0px #ffffff;
cursor: pointer;
margin-top: 10px;
}
.button:hover {
background: -webkit-gradient( linear, left top, left bottom, color-stop(0.05, #ededed), color-stop(1, #cfcfc) );
background: -moz-linear-gradient( center top, #ededed 5%, #cfcfcf 100% );
filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ededed', endColorstr='#cfcfcf');
background-color: #ededed;
border: 1px solid #bbbbbb;
}
.button:active {
background: -webkit-gradient( linear, left top, left bottom, color-stop(0.05, #dfdfdf), color-stop(1, #ededed) );
background: -moz-linear-gradient( center top, #dfdfdf 5%, #ededed 100% );
filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#dfdfdf', endColorstr='#ededed');
background-color: #dfdfdf;
}
#download {
margin-top: 50px;
width: 400px;
height: 100px;
font-size: 72px;
line-height: 100px;
margin-right: 100px;
margin-bottom: 50px;
text-align: center;
}
</style>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
var obj = $('#sticky');
var offset = obj.offset();
var topOffset = offset.top;
var leftOffset = offset.left;
var marginTop = obj.css("marginTop");
var marginLeft = obj.css("marginLeft");
$(window).scroll(function() {
var scrollTop = $(window).scrollTop();
if (scrollTop >= topOffset){
obj.css({
marginTop: 0,
marginLeft: leftOffset,
position: 'fixed',
});
}
if (scrollTop < topOffset){
obj.css({
marginTop: marginTop,
marginLeft: marginLeft,
position: 'relative',
});
}
});
});
</script>
</head>
<body>
<div id="sticky">
<div id="carbonads-container">
<div class="carbonad">
<div id="azcarbon"></div>
<img src="img/logo.png"/> </div>
</div>
</div>
<div id="text">
<div class="header">d<span class="italic">w</span></div>
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</body>
</html>
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