Building a Simple Calculator App using HTML, CSS & JavaScript

📰 Dev.to · Hariharan S J

Learn to build a simple calculator app using HTML, CSS, and JavaScript to improve your frontend development skills

beginner Published 6 Apr 2026
Action Steps
  1. Create a new HTML file and add basic calculator layout using HTML elements
  2. Style the calculator layout using CSS to make it visually appealing
  3. Add JavaScript code to handle calculator functionality and perform calculations
  4. Test the calculator app to ensure it works as expected
  5. Deploy the calculator app to a web server or hosting platform to make it accessible online
Who Needs to Know This

Frontend developers and designers can benefit from this tutorial to create interactive web applications

Key Insight

💡 Using HTML, CSS, and JavaScript, you can create a fully functional calculator app with basic arithmetic operations

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📊 Build a simple calculator app using HTML, CSS, and JavaScript! 💻

Key Takeaways

Learn to build a simple calculator app using HTML, CSS, and JavaScript to improve your frontend development skills

Full Article

1.Introduction In this blog, I will walk you through how I built a simple calculator web...
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