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VOOZH | about |
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VOOZH | about |
The author selected Creative Commons to receive a donation as part of the Write for DOnations program.
React is a popular JavaScript framework for creating front-end applications. Originally created by Facebook, it has gained popularity by allowing developers to create fast applications using an intuitive programming paradigm that ties JavaScript with an HTML-like syntax known as JSX.
Starting a new React project used to be a complicated multi-step process that involved setting up a build system, a code transpiler to convert modern syntax to code that is readable by all browsers, and a base directory structure. But now, Create React App includes all the JavaScript packages you need to run a React project, including code transpiling, basic linting, testing, and build systems. It also includes a server with hot reloading that will refresh your page as you make code changes. Finally, it will create a structure for your directories and components so you can jump in and start coding in just a few minutes.
In other words, you don’t have to worry about configuring a build system like Webpack. You don’t need to set up Babel to transpile you code to be cross-browser usable. You don’t have to worry about most of the complicated systems of modern front-end development. You can start writing React code with minimal preparation.
By the end of this tutorial, you’ll have a running React application that you can use as a foundation for any future applications. You’ll make your first changes to React code, update styles, and run a build to create a fully minified version of your application. You’ll also use a server with hot reloading to give you instant feedback and will explore the parts of a React project in depth. Finally, you will begin writing custom components and creating a structure that can grow and adapt with your project.
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React is a popular JavaScript framework for creating front-end applications, such as user interfaces that allow users to interact with programs. Originally created by Facebook, it has gained popularity by allowing developers to create fast applications using an intuitive programming paradigm that ties JavaScript with an HTML-like syntax known as JSX.
In this series, you will build out examples of React projects to gain an understanding of this framework, giving you the knowledge you need to pursue front-end web development or start out on your way to full stack development.
Browse Series: 21 tutorials
Author of Simplifying JavaScript. Writing featured in Slate, FreeCodeCamp, and here! I like to break things and put them back together. 🛠
Former Senior Technical Editor at DigitalOcean, fiction writer and podcaster elsewhere, always searching for the next good nautical pun! Areas of expertise include Node.js, PostgreSQL, CSS, JavaScript.
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Nice article , but the important part of run the build folder has omitted:
npm install -g serve serve -s build
(from the root of the project after U did npm run build)
How to contribute a zh-CN tranlation?
As of Jan 2021, some of the idiosyncrasies of create-react-app have changed. It no longer creates a service worker, and there are a few other small changes.
It’s a good intro! Maybe I’m nitpicking here but the quote “Anytime you are passing attributes that are not strings or numbers” seems incorrect. Since numbers also should be wrapped with bracers e.g. someAttr={42} instead of someAttr=42.
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