search
HomeWeb Front-endJS TutorialjQuery implements drop-down menu navigation

jQuery implements drop-down menu navigation

Mar 15, 2018 pm 04:02 PM
jqueryDrop-down menunavigation

This time I will bring you jQuery implementation of drop-down menu navigation. What are the precautions for jQuery implementation of drop-down menu navigation? The following is a practical case, let’s take a look.

This article mainly introduces jQuery to implement a simple drop-down menu navigation function, involving jQuery's operation skills related to page element traversal and node modification. Friends in need can refer to the following

Examples of this article Use jQuery to implement simple drop-down menu navigation function. Share it with everyone for your reference, the details are as follows:

The specific code is as follows:

nbsp;html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

  
    <meta>
    <title>www.jQuery导航</title>
    <style>
      #menu{width:300px;margin-left:auto;margin-right:auto;}.has_children{background:#555;color:#fff;cursor:pointer;}.highlight{color:#fff;background:green;}
      p{padding:0;}
      p a{background:#888;display:none;float:left;width:300px;}
    </style>
    <!-- 引入 jQuery -->
    <script></script>
    <script>
      //等待dom元素加载完毕.
    $(document).ready(function(){
        $(".has_children").click(function(){
          $(this).addClass("highlight")      //为当前元素增加highlight类
          .children("a").show().end()      //将子节点的a元素显示出来并重新定位到上次操作的元素
          .siblings().removeClass("highlight")    //获取元素的兄弟元素,并去掉他们的highlight类
          .children("a").hide();        //将兄弟元素下的a元素隐藏
          });
        });
      </script>
  
  
    <p>
      </p><p>
        <span>第1章-认识jQuery</span>
        <a>1.1-JavaScript和JavaScript库</a>
        <a>1.2-加入jQuery</a>
        <a>1.3-编写简单jQuery代码</a>
        <a>1.4-jQuery对象和DOM对象</a>
        <a>1.5-解决jQuery和其它库的冲突</a>
        <a>1.6-jQuery开发工具和插件</a>
        <a>1.7-小结</a>
      </p>
      <p>
        <span>第2章-jQuery选择器</span>
        <a>2.1-jQuery选择器是什么</a>
        <a>2.2-jQuery选择器的优势</a>
        <a>2.3-jQuery选择器</a>
        <a>2.4-应用jQuery改写示例</a>
        <a>2.5-选择器中的一些注意事项</a>
        <a>2.6-案例研究——类似淘宝网品牌列表的效果</a>
        <a>2.7-还有其它选择器么?</a>
        <a>2.8-小结</a>
      </p>
      <p>
        <span>第3章-jQuery中的DOM操作</span>
        <a>3.1-DOM操作的分类</a>
        <a>3.2-jQuery中的DOM操作</a>
        <a>3.3-案例研究——某网站超链接和图片提示效果</a>
        <a>3.4-小结</a>
      </p>
    
  

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the PHP Chinese website!

Recommended reading:

How to use webpack to write jquery environment configuration

How does jQuery’s Validate plug-in verify the input value

How to automatically convert uppercase and lowercase letters when jackson parses a json string

What should I do if there is no reflection after ajax requests background data successfully? Handling

Usage of jQuery EasyUI accordion panel

The above is the detailed content of jQuery implements drop-down menu navigation. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
The Future of Python and JavaScript: Trends and PredictionsThe Future of Python and JavaScript: Trends and PredictionsApr 27, 2025 am 12:21 AM

The future trends of Python and JavaScript include: 1. Python will consolidate its position in the fields of scientific computing and AI, 2. JavaScript will promote the development of web technology, 3. Cross-platform development will become a hot topic, and 4. Performance optimization will be the focus. Both will continue to expand application scenarios in their respective fields and make more breakthroughs in performance.

Python vs. JavaScript: Development Environments and ToolsPython vs. JavaScript: Development Environments and ToolsApr 26, 2025 am 12:09 AM

Both Python and JavaScript's choices in development environments are important. 1) Python's development environment includes PyCharm, JupyterNotebook and Anaconda, which are suitable for data science and rapid prototyping. 2) The development environment of JavaScript includes Node.js, VSCode and Webpack, which are suitable for front-end and back-end development. Choosing the right tools according to project needs can improve development efficiency and project success rate.

Is JavaScript Written in C? Examining the EvidenceIs JavaScript Written in C? Examining the EvidenceApr 25, 2025 am 12:15 AM

Yes, the engine core of JavaScript is written in C. 1) The C language provides efficient performance and underlying control, which is suitable for the development of JavaScript engine. 2) Taking the V8 engine as an example, its core is written in C, combining the efficiency and object-oriented characteristics of C. 3) The working principle of the JavaScript engine includes parsing, compiling and execution, and the C language plays a key role in these processes.

JavaScript's Role: Making the Web Interactive and DynamicJavaScript's Role: Making the Web Interactive and DynamicApr 24, 2025 am 12:12 AM

JavaScript is at the heart of modern websites because it enhances the interactivity and dynamicity of web pages. 1) It allows to change content without refreshing the page, 2) manipulate web pages through DOMAPI, 3) support complex interactive effects such as animation and drag-and-drop, 4) optimize performance and best practices to improve user experience.

C   and JavaScript: The Connection ExplainedC and JavaScript: The Connection ExplainedApr 23, 2025 am 12:07 AM

C and JavaScript achieve interoperability through WebAssembly. 1) C code is compiled into WebAssembly module and introduced into JavaScript environment to enhance computing power. 2) In game development, C handles physics engines and graphics rendering, and JavaScript is responsible for game logic and user interface.

From Websites to Apps: The Diverse Applications of JavaScriptFrom Websites to Apps: The Diverse Applications of JavaScriptApr 22, 2025 am 12:02 AM

JavaScript is widely used in websites, mobile applications, desktop applications and server-side programming. 1) In website development, JavaScript operates DOM together with HTML and CSS to achieve dynamic effects and supports frameworks such as jQuery and React. 2) Through ReactNative and Ionic, JavaScript is used to develop cross-platform mobile applications. 3) The Electron framework enables JavaScript to build desktop applications. 4) Node.js allows JavaScript to run on the server side and supports high concurrent requests.

Python vs. JavaScript: Use Cases and Applications ComparedPython vs. JavaScript: Use Cases and Applications ComparedApr 21, 2025 am 12:01 AM

Python is more suitable for data science and automation, while JavaScript is more suitable for front-end and full-stack development. 1. Python performs well in data science and machine learning, using libraries such as NumPy and Pandas for data processing and modeling. 2. Python is concise and efficient in automation and scripting. 3. JavaScript is indispensable in front-end development and is used to build dynamic web pages and single-page applications. 4. JavaScript plays a role in back-end development through Node.js and supports full-stack development.

The Role of C/C   in JavaScript Interpreters and CompilersThe Role of C/C in JavaScript Interpreters and CompilersApr 20, 2025 am 12:01 AM

C and C play a vital role in the JavaScript engine, mainly used to implement interpreters and JIT compilers. 1) C is used to parse JavaScript source code and generate an abstract syntax tree. 2) C is responsible for generating and executing bytecode. 3) C implements the JIT compiler, optimizes and compiles hot-spot code at runtime, and significantly improves the execution efficiency of JavaScript.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

EditPlus Chinese cracked version

EditPlus Chinese cracked version

Small size, syntax highlighting, does not support code prompt function

DVWA

DVWA

Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment