Web Front-end
JS Tutorial
JS uses cookies to remember the current location's anti-refresh navigation effect
JS uses cookies to remember the current location's anti-refresh navigation effect
This article mainly introduces the anti-refresh navigation effect of JS using cookies to remember the current location. It involves related techniques of JavaScript operating cookies and navigation style layout. It has certain reference value. Friends in need can refer to it. The details are as follows:
Here is a demonstration of the anti-refresh navigation bar that uses cookies to remember the current position. It mainly shows you how to use Cookies technology in JS. If you use Cookies well, your JS technology will be taken to the next level. This menu feels good. After you click the mouse, it will still remain in the original position after refreshing the page, as if it has a memory function.
A screenshot of the running effect is as follows:
The online demo address is as follows:
http://demo.jb51.net/ js/2015/js-cookie-nav-pos-menu-demo/
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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>cookie记忆-防刷新菜单</title>
<style>
a{color:#5A73F3;text-decoration:none}
body{background:#333;margin:30px;font-size:14px;}
#menu li{float:left;height:25px;line-height:25px;list-style:none}
#menu li a{padding:10px;}
a:hover{background:#ccc;color:##3399FF}
a.hover{height:25px;line-height:25px;background:red;color:#ffffff}
a,area{blr:e-xpression(this.onFocus=this.blur())}
:focus{-moz-outline-style:none;}
</style>
</head>
<body>
<p id="menu">
<ul>
<li><a href="javascript:void(0)" class="hover" onclick="changename(0)" hidefocus="true">我的菜单</a></li>
<li><a href="javascript:void(0)" onclick="changename(1)" hidefocus="true">网页模板</a></li>
<li><a href="javascript:void(0)" onclick="changename(2)" hidefocus="true">精品代码</a></li>
<li><a href="javascript:void(0)" onclick="changename(3)" hidefocus="true">设计素材</a></li>
<li><a href="javascript:clear();" hidefocus="true">恢复初始</a></li>
</ul>
</p>
<script language="javascript">
function changename(c,cl)
{
var d=document.getElementById("menu").getElementsByTagName("a");
if(!cl)
{
writeCookie("hovers",c,222);
}
c=readCookie("hovers")?readCookie("hovers"):c;
for(i=0;i<d.length;i++)
{
d[i].className=i==c?"hover":"";
}
}
function writeCookie(name, value, hours)
{
var expire = "";
if(hours != null)
{
expire = new Date((new Date()).getTime() + hours * 3600000);
expire = "; expires=" + expire.toGMTString();
}
document.cookie = name + "=" + escape(value) + expire;
}
function readCookie(name)
{
var cookieValue = "";
var search = name + "=";
if(document.cookie.length > 0)
{
offset = document.cookie.indexOf(search);
if (offset != -1)
{
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
cookieValue = unescape(document.cookie.substring(offset, end))
}
}
return cookieValue;
}
function clear()
{
writeCookie("hovers","",222);
document.location=document.location.href;
}
changename(0,1)
</script>
</body>
</html>The above is the entire content of this chapter. For more related tutorials, please Visit JavaScript Video Tutorial!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
Where are the cookies on your computer?
Dec 22, 2023 pm 03:46 PM
Cookies on your computer are stored in specific locations on your browser, depending on the browser and operating system used: 1. Google Chrome, stored in C:\Users\YourUsername\AppData\Local\Google\Chrome\User Data\Default \Cookies etc.
Where are cookies stored?
Dec 20, 2023 pm 03:07 PM
Cookies are usually stored in the cookie folder of the browser. Cookie files in the browser are usually stored in binary or SQLite format. If you open the cookie file directly, you may see some garbled or unreadable content, so it is best to use Use the cookie management interface provided by your browser to view and manage cookies.
Essential tools for stock analysis: Learn the steps to draw candle charts with PHP and JS
Dec 17, 2023 pm 06:55 PM
Essential tools for stock analysis: Learn the steps to draw candle charts in PHP and JS. Specific code examples are required. With the rapid development of the Internet and technology, stock trading has become one of the important ways for many investors. Stock analysis is an important part of investor decision-making, and candle charts are widely used in technical analysis. Learning how to draw candle charts using PHP and JS will provide investors with more intuitive information to help them make better decisions. A candlestick chart is a technical chart that displays stock prices in the form of candlesticks. It shows the stock price
Recommended: Excellent JS open source face detection and recognition project
Apr 03, 2024 am 11:55 AM
Face detection and recognition technology is already a relatively mature and widely used technology. Currently, the most widely used Internet application language is JS. Implementing face detection and recognition on the Web front-end has advantages and disadvantages compared to back-end face recognition. Advantages include reducing network interaction and real-time recognition, which greatly shortens user waiting time and improves user experience; disadvantages include: being limited by model size, the accuracy is also limited. How to use js to implement face detection on the web? In order to implement face recognition on the Web, you need to be familiar with related programming languages and technologies, such as JavaScript, HTML, CSS, WebRTC, etc. At the same time, you also need to master relevant computer vision and artificial intelligence technologies. It is worth noting that due to the design of the Web side
How to create a stock candlestick chart using PHP and JS
Dec 17, 2023 am 08:08 AM
How to use PHP and JS to create a stock candle chart. A stock candle chart is a common technical analysis graphic in the stock market. It helps investors understand stocks more intuitively by drawing data such as the opening price, closing price, highest price and lowest price of the stock. price fluctuations. This article will teach you how to create stock candle charts using PHP and JS, with specific code examples. 1. Preparation Before starting, we need to prepare the following environment: 1. A server running PHP 2. A browser that supports HTML5 and Canvas 3
Where are the mobile cookies?
Dec 22, 2023 pm 03:40 PM
Cookies on the mobile phone are stored in the browser application of the mobile device: 1. On iOS devices, Cookies are stored in Settings -> Safari -> Advanced -> Website Data of the Safari browser; 2. On Android devices, Cookies Stored in Settings -> Site settings -> Cookies of Chrome browser, etc.
PHP and JS Development Tips: Master the Method of Drawing Stock Candle Charts
Dec 18, 2023 pm 03:39 PM
With the rapid development of Internet finance, stock investment has become the choice of more and more people. In stock trading, candle charts are a commonly used technical analysis method. It can show the changing trend of stock prices and help investors make more accurate decisions. This article will introduce the development skills of PHP and JS, lead readers to understand how to draw stock candle charts, and provide specific code examples. 1. Understanding Stock Candle Charts Before introducing how to draw stock candle charts, we first need to understand what a candle chart is. Candlestick charts were developed by the Japanese
Detailed explanation of where browser cookies are stored
Jan 19, 2024 am 09:15 AM
With the popularity of the Internet, we use browsers to surf the Internet have become a way of life. In the daily use of browsers, we often encounter situations where we need to enter account passwords, such as online shopping, social networking, emails, etc. This information needs to be recorded by the browser so that it does not need to be entered again the next time you visit. This is when cookies come in handy. What are cookies? Cookie refers to a small data file sent by the server to the user's browser and stored locally. It contains user behavior of some websites.
