I Rewrote a Junior Developer’s JavaScript Like a Senior — The Before/After Was Wild

📰 Medium · JavaScript

Learn how to refactor JavaScript code like a senior developer to improve scalability and cleanliness

intermediate Published 19 May 2026
Action Steps
  1. Read the original JavaScript code to identify areas for improvement
  2. Apply senior developer habits to refactor the code
  3. Use tools like linters and code formatters to ensure consistency and cleanliness
  4. Test the refactored code to ensure it works as expected
  5. Compare the before and after code to understand the impact of refactoring
Who Needs to Know This

Junior developers can benefit from this lesson to improve their coding skills, while senior developers can use it to review best practices and mentor junior team members

Key Insight

💡 Refactoring code is essential to improve scalability, readability, and maintainability

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🚀 Refactor your JavaScript code like a pro! Learn senior developer habits to write clean, scalable code

Key Takeaways

Learn how to refactor JavaScript code like a senior developer to improve scalability and cleanliness

Full Article

A real refactoring walkthrough that reveals the hidden habits senior developers use to write clean, scalable JavaScript. Continue reading on JavaScript in Plain English »
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