Difference Between JavaScript (.js) and JSX (.jsx)

📰 Dev.to · Arul .A

Learn the key differences between JavaScript and JSX to improve your web development skills

beginner Published 23 May 2026
Action Steps
  1. Read the official JavaScript documentation to understand its basics
  2. Explore JSX syntax and its application in React-based projects
  3. Build a simple web application using JavaScript and JSX to practice the differences
  4. Configure a code editor to support JSX syntax highlighting and formatting
  5. Test and debug a JSX-based project to understand its limitations and advantages
Who Needs to Know This

Frontend engineers and developers benefit from understanding the distinction between JavaScript and JSX to effectively build and maintain web applications

Key Insight

💡 JSX is a syntax extension for JavaScript that allows HTML-like code in JavaScript files

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💡 JavaScript vs JSX: know the difference to boost your web dev skills
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