Online platforms to code in react, Angular

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 If you're looking for online platforms to code in React, there are several excellent tools available that allow you to write, test, and deploy React applications directly in your browser, without needing to set up a local development environment. Below are some of the best platforms to code in React online:

1. CodeSandbox

CodeSandbox is one of the most popular online IDEs for React development. It provides a rich environment with live previews, GitHub integration, and the ability to share projects with others.

Features:

  • Supports React, Vue, Angular, and more.
  • Instant live preview of your code.
  • GitHub integration for importing/exporting projects.
  • Automatic updates with hot reloading.
  • Can also be used for full-stack development with Node.js.

How to Use:

  • Create a new project by selecting "React" from the templates.
  • Start coding in the editor, and see your changes live in the preview pane.

2. JSFiddle

JSFiddle is a lightweight, web-based IDE for HTML, CSS, and JavaScript. While it isn't React-specific, it allows you to set up a React project by including the React and ReactDOM CDN links.

Features:

  • Easy to use with live preview.
  • Quick setup for React using external resources (e.g., React & ReactDOM via CDN).
  • Great for small demos, quick code snippets, and testing small pieces of React code.

How to Use:

  • Use external CDNs to include React and ReactDOM in your HTML pane.
  • Write JSX in the JavaScript pane and see live output in the result pane.
html
<script src="https://unpkg.com/react@17/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@17/umd/react-dom.development.js"></script>

3. CodePen

CodePen is another popular platform for front-end development. It’s great for experimenting with HTML, CSS, and JavaScript. Like JSFiddle, you can set up React by including the React and ReactDOM CDNs.

Features:

  • Live Preview for HTML, CSS, and JavaScript.
  • Supports React using external resources.
  • Great for building and showcasing small UI components or snippets.
  • Ability to share pens with others.

How to Use:

  • Create a new Pen, then go to Settings > JS and add the React and ReactDOM CDNs.
  • You can write your React code in the JavaScript panel and see the output live.

4. StackBlitz

StackBlitz is an online code editor that gives you a full development environment for building React apps. It’s very similar to Visual Studio Code, providing support for Angular, React, and more.

Features:

  • Instant live previews.
  • Fully supports React (along with other frameworks like Angular, Vue, etc.).
  • Built-in terminal for running commands.
  • Works offline (if you install the Progressive Web App).
  • Real-time collaboration.

How to Use:

  • You can create a new React project by selecting "React" from the "New Project" dropdown.
  • Code in the editor and watch changes in real-time.

5. Replit

Replit is an online IDE and coding platform where you can write, run, and share code in multiple languages, including React. It’s easy to get started and doesn’t require any setup.

Features:

  • Supports a wide variety of programming languages, including React.
  • Real-time collaboration features.
  • Instant deployment with live previews.
  • You can connect to a GitHub repository.

How to Use:

  • Start a new React project by selecting Create New Repl > React.
  • Write your React code and see changes live in the preview.

6. Glitch

Glitch is another fun platform to build full-stack applications, including React. Glitch is great for rapid prototyping and building small apps or services.

Features:

  • Real-time collaborative editing.
  • Supports front-end and back-end code (full-stack apps).
  • Built-in hosting and automatic deployments.
  • Open source with the ability to remix projects.

How to Use:

  • Create a new app or remix an existing React app.
  • Write your React code and see live updates in the app preview.

7. Codespaces (GitHub)

GitHub Codespaces is a cloud-based development environment powered by Visual Studio Code. It allows you to code directly within GitHub, making it ideal for open-source contributions and working within the GitHub ecosystem.

Features:

  • Full Visual Studio Code experience in the cloud.
  • Pre-configured environments for React.
  • Direct integration with GitHub repositories.

How to Use:

  • Open a GitHub repository, and create a new Codespace to start coding.
  • Install dependencies, run your React app, and edit code with a VSCode-like experience.

8. Expo Snack

Expo Snack is a web-based editor for building React Native applications, which allows you to experiment with React Native components right in the browser. Though primarily for mobile apps, it’s a great option for React developers who want to prototype quickly.

Features:

  • Instant preview of your React Native project in the browser.
  • Easy to share projects with others.
  • Support for live reloads and debugging.

How to Use:

  • Start a new snack, and you'll be able to write React Native code with instant feedback.
  • It’s perfect for mobile-specific React development (React Native).

Conclusion

Here’s a quick comparison of the platforms mentioned above:

PlatformBest ForKey Features
CodeSandboxFull React apps with live previewsGitHub integration, full-stack support, instant preview
JSFiddleQuick code snippets or demosEasy setup, great for small tests or experiments
CodePenUI components and front-end designLive preview, CSS/JS/HTML support
StackBlitzFull React development environmentsIDE-like experience, offline support, real-time collaboration
ReplitFull-stack apps and rapid prototypingMulti-language support, real-time collaboration
GlitchFull-stack apps, prototypingCollaborative editing, remix existing projects
GitHub CodespacesFull development in GitHub ecosystemVS Code-like experience, GitHub integration
Expo SnackReact Native mobile appsInstant mobile previews, great for React Native dev

You can choose the platform that best fits your needs based on the type of project you're working on (React for web or React Native for mobile), collaboration features, or real-time preview requirements.

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