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Should I learn javascript first?

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2023-05-12 16:17:38466browse

Learn React first?

In recent years, JavaScript and React have become an indispensable part of front-end development. But many beginners are not sure what to learn first. This article will introduce JavaScript and React respectively, and discuss which one you should learn first.

1. JavaScript

JavaScript is an object- and event-driven programming language that is widely used in web development, mobile application development, game development and other fields. Its emergence makes the Web a truly dynamic application platform. At the same time, JavaScript is the only client-side scripting language supported by all major browsers.

Learning JavaScript requires a certain programming foundation, such as understanding the basic syntax of HTML and CSS, and understanding basic concepts such as variables, operators, and conditional statements. By learning JavaScript, you will be able to:

  1. Achieve dynamic page effects: JavaScript can enable web pages to achieve dynamic effects, such as pop-up windows, page interactions, etc.
  2. Develop web page functions: JavaScript can be used to implement form validation, add audio and video media and other web page functions.
  3. Web page optimization: JavaScript can be used to optimize web page performance, such as lazy loading, reducing HTTP requests, etc.
  4. Develop server-side applications: The Node.js platform is based on and written in JavaScript. Developers can use JS to write server-side applications.

2. React

React is a JavaScript library developed by Facebook for building user interfaces. It is widely used in fields such as web application development, mobile application development and virtual reality. Compared with the traditional template development method, React uses componentization and virtual DOM for development, which greatly simplifies the development process. By learning React, you will be able to:

  1. Develop efficient user interfaces: React uses virtual DOM technology to quickly render changing UIs and improve the performance of the user interface.
  2. Improve development efficiency: React uses a component-based development method, and each component is independent of each other, resulting in higher development efficiency.
  3. React Native: React Native is React’s mobile application development framework, which allows developers to use React to develop cross-platform native mobile applications.

3. Which one should you learn first?

The first thing to make clear is that learning JavaScript and learning React are two different concepts. JavaScript is a programming language, while React is a library that can be seen as an extension of a framework. Learning JavaScript is to master a programming language, learning React is to master a library for building user interfaces. Therefore, you cannot simply say which one you should learn first. You need to choose based on your own needs.

If you have mastered the basic syntax of JavaScript, you can consider learning React. React uses a new component-based development method, which can not only improve development efficiency, but also improve web page performance. In addition, React has a very important advantage, which is that it is very compatible with other libraries or frameworks. Therefore, whether you are using a library or framework such as jQuery, AngularJS or Backbone, it will all work well in React.

If you have not mastered the basic syntax of JavaScript, you should learn JavaScript first. JavaScript is a widely used programming language, and mastering it can help you make richer and more complex applications in web development. At the same time, knowledge of JavaScript is also necessary to learn React.

Whether you choose to learn JavaScript or React first, you need a systematic learning plan and a firm determination to learn. We can obtain learning materials from various channels such as official documents, books, blogs, forums, etc. At the same time, you can also consolidate the knowledge you have learned through practical projects and continuously improve your skills.

In short, JavaScript and React are both indispensable parts of front-end development. No matter which one you choose to learn first, you must maintain your passion for technology and your spirit of exploration, and constantly improve your skill level.

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