js实现百度搜索框滑动固定顶部
现在很多主流系统例如百度、有道、爱奇艺等的搜索框都有一个特点，滑动到刚好看不到搜索框时，固定搜索框到顶部，这也算是一个对用户友好型的操
作。
在看了百度的js和css后自己摸索出来实现效果，还是学艺不精，没读懂百度的js，有点小bug。
<!DOCTYPE html>
<html>
<head>
<title>柳絮飞祭奠</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
div input {
width: 538px;
height: 38px;
border: 1px solid #b8b8b8;
border-bottom: 1px solid #ccc;
} .z_s_top_wrap_fix {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 70px !important;
padding-top: 20px;
background-color: #fff;
box-shadow: 0 0 3px 3px #e6e6e6;
z-index: 2;
} .z_s_wr_fix {
margin: auto;
width: 641px;
margin-top: 0 !important;
margin-bottom: 100px;
}
</style>
</head>
<body>
<div class="z_s_top_wrap" id="z_s_top_wrap">
<div style="margin:auto;width:1024px;height: 30px;">
<input id="txt_search_ipt" type="text" style="float: left;"><input type="button" style="height: 42px;float: left;background-color: #388cff;width: 103px;" value="百度一下">
</div>
</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
</body>
<script type="text/javascript" src="../plugins/angular/angular.js"></script>
<script type="text/javascript" src="../plugins/jquery/jquery.min.js"></script>
<script type="text/javascript">
window.onscroll = function() {
//获取搜索框当前距离顶部位置document.getElementById("z_s_wraa").offsetTop
//获取滚动条离浏览器顶部位置window.pageYOffse
if (document.getElementById("txt_search_ipt") == undefined) {
return false;
}
if ($(document).scrollTop() + 30 >= $(document).height()
- $(window).height()) {
$("body").height($("body").height() + 20);
}
if ((document.getElementById("txt_search_ipt").offsetTop - window.pageYOffset) < 0) {
//2.2.添加class固定搜索框到顶部
$("#z_s_top_wrap").addClass("z_s_top_wrap_fix");
$(".z_s_wr").addClass("z_s_wr_fix");
$("body").height($("body").height() - 20);
} else {
//2.3.移除搜索框固定
$("#z_s_top_wrap").removeClass("z_s_top_wrap_fix");
$(".z_s_wr").removeClass("z_s_wr_fix");
}
};
</script>
</html>
实现效果
js实现百度搜索框滑动固定顶部的更多相关文章
- 使用 Vue.js 2.0+ Vue-resource 模仿百度搜索框
使用 Vue.js 2.0 模仿百度搜索框 <!DOCTYPE html> <html> <head> <meta charset="utf-8&q ...
- Ajax以及类似百度搜索框的demo
public class Ajax01 extends HttpServlet{ @Override protected void service(HttpServletRequest request ...
- JavaScript实现模糊推荐的input框(类似百度搜索框)
如何用JS实现一个类似百度搜索框的输入框呢,再填充完失去焦点时,自动填充配置项,最终效果如下图: 实现很简单,但是易用性会上升一大截,需要用到的有jquery-ui的autocomplete,jque ...
- JS 实现百度搜索功能
今天我们来用JS实现百度搜索功能,下面上代码: HTML部分: <!DOCTYPE html> <html> <head> <meta charset=&qu ...
- JS---DOM---案例：模拟百度搜索框
模拟百度搜索框 我的思路整理: 1. 注册文本框抬起事件(onkeyup) 2. 处理函数: --->创建临时数组,循环遍历文本框键入的文字内容和keywords数组,用keyWords[i]. ...
- React实现最完整的百度搜索框
import React,{Component} from 'react' import ReactDOM,{render} from 'react-dom' import 'bootstrap/di ...
- Ajax跨域：Jsonp实例--百度搜索框下拉提示
Ajax跨域:Jsonp实例--百度搜索框下拉提示 一.总结 一句话总结:a.找好接口:b.用script标签的src引入文件(json数据):c.定义及实现上一步引入文件中的函数 1.如何找到一个网 ...
- window系统谷歌浏览器百度搜索框光标不能输入并且不显示光标----自制bug以及解决
--------------------bug无处不在------------------------- 今天在搞代码的时候,保存文件无意中犯了个致命错误,文件名称写入非法字符,可能与Windows系 ...
- typecho博客组插件:openSug.js百度搜索框下拉提示免费代码
Typecho候选搜索增强插件:安装openSug插件即可获得带有“搜索框提示”功能的搜索框,让Typecho搜索更便捷! 支持百度.谷歌.雅虎.Yandex.360好搜.UC神马.酷狗.优酷.淘 ...
随机推荐
- 42-2017蓝桥杯b java
1.购物单 小明刚刚找到工作,老板人很好,只是老板夫人很爱购物.老板忙的时候经常让小明帮忙到商场代为购物.小明很厌烦,但又不好推辞. 这不,XX大促销又来了!老板夫人开出了长长的购物单,都 ...
- 26-算法训练 Torry的困惑(基本型) 素数打表
算法训练 Torry的困惑(基本型) 时间限制:1.0s 内存限制:512.0MB 问题描述 Torry从小喜爱数学.一天,老师告诉他,像2.3.5.7……这样的数叫做质数.To ...
- YII2中使用控制台命令
有些时候我们需要通过crontab在后台跑一些定时脚本,这时候就需要用到控制台命令了. 我们在commands目录下创建TestController.php,当然脚本的位置是可以随意指定的,只需要在c ...
- threejs- z-fighting 问题（模型的重叠部位便不停的闪烁起来。这便是Z-Fighting问题）
Z-Buffer 在threejs中,使用深度缓冲(Z-Buffer)来完成场景可见性计算,即确定场景哪部分可见,哪部分不可见.深度缓冲(Z-Buffer)是一个二维数组,其中的每一个元素对应屏幕上的 ...
- JwtBearerAppBuilderExtensions.UseJwtBearerAuthentication(IApplicationBuilder
netcore从1.1升级到2.0时,出的错,因为使用的时Jwt token参考https://github.com/aspnet/Security/issues/1310#issuecomment- ...
- 正则表达式 re sys os random time 模块
今天学习内容如下: 1.正则表达式 百度正则表达式在线测试,可以练习 正则表达式本身也和python没有什么关系,就是匹配字符串内容的一种规则.官方定义:正则表达式是对字符串操作的一种逻辑公式,就是用 ...
- Mac Terminal
一.简介 二.实用 1)update-apps-using-terminal-mac https://www.maketecheasier.com/update-apps-using-termin ...
- HTTP.ContentType
1. multipart/x-mixed-replace http://blog.dubbelboer.com/2012/01/08/x-mixed-replace.html
- (转帖)CentOS最常用命令及快捷键整理
原文:http://www.centoscn.com/CentOS/help/2014/0306/2493.html 最近开始学Linux,在VMware Player中安装了CentOS 6.4.为 ...
- Luogu 3690 LCT - 模板
推荐几篇比较好的博客: FlashHu 的 讲解比较好 : 传送门 Candy 的 代码~ : 传送门 以及神犇Angel_Kitty的 学习笔记: 传送门 Code V 模板 #include< ...