A simple calculator is a great way to learn JavaScript fundamentals! Here's a step-by-step guide to build one:

🧮 Project Structure

  1. HTML - Create the basic interface with input fields and buttons

    calculator_interface

  2. CSS - Style the calculator with modern design

    calculator_design

  3. JavaScript - Implement calculation logic 

    function calculate() {
  const num1 = parseFloat(document.getElementById('num1').value);
  const num2 = parseFloat(document.getElementById('num2').value);
  const operator = document.getElementById('operator').value;
  
  // Add your logic here for operations like +, -, *, /
}
    calculator_logic

🛠️ Features to Add

  • Basic arithmetic operations ✅
  • Error handling for invalid inputs ⚠️
  • Clear button functionality 🧹
  • Responsive design for mobile users 📱

📘 Further Learning

Want to dive deeper into JavaScript development? Check out our JavaScript Introduction tutorial to build a stronger foundation!