What is front-end routing? How to implement routing in frontend?

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⭐ Column introduction

Front-end entry journey: Explore the wonderful world of web development Welcome to the front-end entry journey! If you are interested, you can subscribe to this column! This column is tailor-made for those who are interested in web development and have just entered the front-end field. Whether you are a complete novice or a developer with some basic knowledge, here will provide you with a systematic and friendly learning platform. In this column, we will update it every day in the form of questions and answers, presenting you with selected front-end knowledge points and answers to frequently asked questions. Through the Q&A format, we hope to respond more directly to readers’ questions about front-end technology and help everyone gradually establish a solid foundation. Whether it's HTML, CSS, JavaScript, or various common frameworks and tools, we'll explain concepts in a simple and easy-to-understand way, and provide practical examples and exercises to solidify what you've learned. At the same time, we will also share some practical tips and best practices to help you better understand and apply various technologies in front-end development.

Not only that, we will also regularly launch some practical project tutorials so that you can apply the knowledge you have learned to actual development. Through the practice of actual projects, you will be able to better understand the workflow and methodology of front-end development, and develop your own ability to solve problems and develop independently. We believe that only by continuous accumulation and practice can we truly master front-end development technology. So, get ready for the challenge and bravely embark on this front-end entry journey! Whether you are looking for a career change, upskilling or fulfilling personal interests, we are dedicated to providing you with the best learning resources and support. Let's explore the wonderful world of web development together! Join the front-end entry journey and become an outstanding front-end developer! Let’s start the front-end journey . The picture below introduces other columns that the blogger is outputting in addition to this column; (Skip the picture below and let’s start today’s text!!!)

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⭐Understand front-end routing (Front-end Routing)

Front-end routing refers to controlling the browser URL through JavaScript in a single-page application (SPA) to achieve switching and navigation between pages without requesting a new HTML page from the server every time. Front-end routing displays different content by changing the fragment identifier of the URL, so that the user feels that they are visiting different pages, but they are actually still on the same HTML page.

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⭐ Implementation of front-end routing

Front-end routing can be implemented in a variety of ways, here are two common ones:

1. Hash routing# : Hash routing is implemented by changing the hash identifier (usually the following part) in the URL . For example, http://example.com/#/aboutthe in /aboutis part of the route. When the hash identifier changes, JavaScript can catch the change and load different content accordingly.

   Sample code:

   // 监听哈希变化
   window.addEventListener('hashchange', function() {
         
         
     const route = window.location.hash.substring(1);
     // 根据不同的路由加载对应的内容
     if (route === 'about') {
         
         
       loadAboutPage();
     } else if (route === 'contact') {
         
         
       loadContactPage();
     }
   });
   

   The advantage of this method is good compatibility, but there will be symbols in the URL #.

2. History routing : History routing is implemented through the HTML5 History API. This approach enables front-end routing without #symbols. It uses pushState()the and replaceState()methods to modify the browser's history and requires server-side configuration to support it.

   Sample code:

   // 使用 History API 添加路由
   window.history.pushState({
         
          page: 'about' }, 'About', '/about');
   

   Using History routing requires corresponding configuration on the server to ensure that the corresponding page can be returned correctly when accessing the routing.

The implementation of front-end routing helps build single-page applications and provides a smoother user experience, while also enabling refresh-free page navigation and better SEO optimization.

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⭐Write at the end

This column is suitable for a wide range of readers, and is suitable for front-end beginners; or those who have not learned front-end and are interested in front-end, or back-end students who want to better show themselves and expand some front-end knowledge points during the interview process, so If you have the basics of front-end and follow this column, it can also help you to find and fill in the gaps to a great extent. Since the blogger himself does the content output, if there are any flaws in the article, you can contact me through the left side of the homepage. , let’s make progress together, and at the same time, I also recommend several columns to everyone. Interested partners can subscribe: In addition to the columns below, you can also go to my homepage to see other columns;

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