<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
.header {
position: fixed;
top: 0;
left: 0;
width: 100%;
background: #cc5350;
color:#fff;
z-index: 1000;
height: 200px;
overflow: hidden;
-webkit-transition: height 0.3s;
-moz-transition: height 0.3s;
transition: height 0.3s;
text-align:center;
line-height:160px;
}
.header.shrink {
height: 100px;
line-height:80px;
}
.header h1
{
font-size:30px;
font-weight:normal;
-webkit-transition: all 0.3s;
-moz-transition: all 0.3s;
transition: all 0.3s;
}
.header.shrink h1
{
font-size:24px;
-webkit-transition: all 0.3s;
-moz-transition: all 0.3s;
transition: all 0.3s;
}
.content
{
height:2000px;
/*just to get the page to scroll*/
}
</style>
</head>
<body>
<div class="header">
<h1>动画固定标题(向下滚动网页查看效果)</h1>
</div>
<div class="content"> </div>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>
<script>
$(function(){
var shrinkHeader = 300;
$(window).scroll(function() {
var scroll = getCurrentScroll();
if ( scroll >= shrinkHeader ) {
$('.header').addClass('shrink');
}
else {
$('.header').removeClass('shrink');
}
});
function getCurrentScroll() {
return window.pageYOffset || document.documentElement.scrollTop;
}
});
</script>
</body>
</html>
网友回复
js如何流式输出ai的回答并折叠代码块,点击代码块右侧可预览代码?
ai大模型如何将文章转换成可视化一目了然的图片流程图图表?
大模型生成html版本的ui原型图和ppt演示文档的系统提示词怎么写?
rtsp视频直播流如何转换成websocket流在h5页面上观看?
为啥coze会开源工作流agent coze studio?
如何检测网页是通过收藏夹打开的?
python如何实现类似php的http动态脚本请求处理响应代码?
js如何实现类似php的http动态脚本请求处理响应代码?
trae与solo有啥区别不同?
vue如何让ai动态生成问卷调查多步骤表单式收集基础信息自动规划执行任务?