There are two libraries we need to install here: codemirror and react-codemirror2. Having created our new React application, let’s navigate to that project’s directory in the commandline interface: cd code_editor In your commandline interface, navigate to the directory in which you want to create your project, and let’s create a React application and name it code_editor: npx create-react-app code_editor Let’s start by creating a new React project. In the next section, we will set up our new React project and install the libraries we need to build our web app.

It gives us the functionality to create a rich code editor that runs on the web and shows us the result of our code in real time. It is especially for editing code and comes with a number of language modes and add-ons for more advanced editing functionality.Ī rich programming API and a CSS theming system are available for customizing CodeMirror to fit your application and extending it with new functionality. CodeMirror is a versatile text editor implemented in JavaScript for the browser. We will be using a library named CodeMirror to build our editor. Here are a few React concepts you’ll need to know in order to follow along in this article: This is also an interesting project to work on because having the knowledge of how to build a code editor will give you ideas on how to approach other projects that require you to integrate a code editor to show some functionality.

This article explains how to create a web code editor that displays the result in real time with the help of some HTML, CSS and JavaScript.Īn online web code editor is most useful when you do not have the opportunity to use a code editor application, or when you want to quickly try out something on the web with your computer or even your mobile phone.

If you’re a developer who’s thinking about building a platform that requires a code editor in one form or another, then this article is for you.

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