Gathering sand into a tower, making a little progress every day
⭐ Column introduction
Front-end Getting Started Tour: Exploring the Wonderful World of Web Development Welcome to the Front-End Getting Started Tour! 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.
Whether you are looking for a career change, upskilling or fulfilling personal interests, we are committed 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 set sail on the front-end journey! ! !
Today’s content:What is SPA (Single Page Application)? What are its advantages and disadvantages?
SPA overview
A single page application (SPA) is a web application architecture whose core idea is not to reload the entire page when the user interacts with the application, but to load partial content of the page asynchronously or update the page dynamically by using JavaScript. SPA is usually implemented using front-end frameworks (such as React, Angular, Vue, etc.).
advantage
-
Better user experience:
-
No page switching: SPA does not require reloading the entire page, making users feel smoother when browsing in the application.
-
Faster response time: Partial page updates and asynchronous loading of resources improve the response speed of the application and reduce waiting time.
-
Smooth interaction: Partial updates and dynamic loading of pages allow for rich user interaction and provide a more attractive interface.
-
-
Less server load:
-
Reduce the number of requests: SPA downloads all required resources during the initial load and then fetches only the necessary data in subsequent interactions. This reduces the number of requests to the server.
-
Reducing server pressure: The backend only needs to provide a data interface, without the need to build and maintain the HTML of multiple pages.
-
-
Better code structure:
-
Modularization: SPA usually uses a modular front-end framework to facilitate the organization and management of code.
-
Maintainability: Modular and component-based development improves the maintainability of code and makes development more flexible.
-
-
Offline access:
- Resource cache: Once all resources are loaded, the SPA application can work normally offline and provide offline access.
shortcoming
-
Initial loading may take longer:
-
Resource download: When loading for the first time, SPA needs to download all necessary resources for the entire application, which may result in a long waiting time.
-
SEO impact: Due to the initial loading of the page, it may have an adverse impact on search engine optimization (SEO).
-
-
Browser support requirements are higher:
-
JavaScript dependency: SPA has a high dependence on JavaScript. If the user disables JavaScript, it will not work properly.
-
Browser History: Browser history management may become more complex and require special handling.
-
-
Large memory usage:
-
Long running: Since SPA usually does not refresh the page when the user interacts with the application, long running may lead to increased memory usage.
-
Memory leak: Poor memory management can lead to memory leak problems.
-
-
Not good for SEO:
- Search engine indexing: Content in SPA is loaded through JavaScript and may be difficult for search engines to index. Although modern search engines can handle JavaScript, there may still be some issues.
Summarize
SPA has become one of the mainstream architectures of modern web applications by providing a better user experience, reducing server pressure and improving code organization structure. However, developers need to weigh the advantages and disadvantages and choose the appropriate architecture based on specific needs.
⭐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 a great extent to check for omissions and fill in the gaps. 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;
Front-end games (free)This column will take you into a world full of creativity and fun. By using the basic knowledge of HTML, CSS and JavaScript, we will build together Various interesting page games. Whether you are a beginner or have some front-end development experience, this column is for you. We'll start with the basics and walk you through the skills you need to build a page game. Through practical cases and exercises, you will learn how to use HTML to build page structure, use CSS to beautify the game interface, and use JavaScript to add interactive and dynamic effects to the game. In this column, we'll cover various types of mini-games, including maze games, brick breaker, snake, minesweeper, calculators, plane battles, tic-tac-toe, puzzles, mazes, and more. Each project guides you through the building process in concise and clear steps, with detailed explanations and code examples. At the same time, we will also share some optimization tips and best practices to help you improve page performance and user experience. Whether you are looking for an interesting project to exercise your front-end skills, or are interested in page game development, the front-end games column will be your best choice. Click to subscribe to the front-end game column
Vue3 Transparent Tutorial [From Zero to One] (Paid) Welcome to Vue3 Transparent Tutorial! This column aims to provide everyone with comprehensive technical knowledge related to Vue3. If you have some Vue2 experience, this column can help you master the core concepts and usage of Vue3. We will start from scratch and guide you step by step to build a complete Vue application. Through practical cases and exercises, you will learn how to use Vue3's template syntax, component development, state management, routing and other functions. We will also introduce some advanced features, such as Composition API and Teleport, to help you better understand and apply the new features of Vue3. In this column, we'll guide you through each project in concise and clear steps, with detailed explanations and sample code. At the same time, we will also share some common problems and solutions in Vue3 development to help you overcome difficulties and improve development efficiency. Whether you want to learn Vue3 in depth or need a comprehensive guide to building a front-end project, the Vue3 thorough tutorial column will become an indispensable resource for you. Click to subscribe to the Vue3 Transparent Tutorial [From Zero to One] column
TypeScript Getting Started Guide (Free) is a column designed to help everyone get started quickly and master TypeScript related technologies. Through concise and clear language and rich sample code, we will explain the basic concepts, syntax and features of TypeScript in depth. Whether you are a beginner or an experienced developer, you can find a learning path that suits you here. From core features such as type annotations, interfaces, and classes to modular development, tool configuration, and integration with common front-end frameworks, we will comprehensively cover all aspects. By reading this column, you will be able to improve the reliability and maintainability of JavaScript code, and provide better code quality and development efficiency for your projects. Let’s embark on this exciting and challenging TypeScript journey together! Click to subscribe to the TypeScript Getting Started Guide column
