calculatorassignment/index.html at main · dee-john/calculatorassignment · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Multiplication calculator</title>
    <link rel="stylesheet" href="./style.css" />
  </head>
  <body>
    <div class="container">
      <h1>Multiplication Calculator</h1>

      <label for="num1">Enter first number:</label><br />
      <input
        type="text"
        id="num1"
        placeholder="First number"
        required
      /><br /><br />

      <label for="num2">Enter second number:</label><br />
      <input
        type="text"
        id="num2"
        placeholder="Second number"
        required
      /><br /><br />

      <button type="button" id="calcBtn">Calculate</button>

      <p id="result"></p>
    </div>
    <script>
      let button = document.getElementById("calcBtn");

      button.addEventListener("click", () => {
        let num1 = document.getElementById("num1").value;
        let num2 = document.getElementById("num2").value;

        // Check if inputs are valid numbers
        if (
          isNaN(num1) ||
          isNaN(num2) ||
          num1.trim() === "" ||
          num2.trim() === ""
        ) {
          alert("Please enter valid numbers!");
        } else {
          let product = Number(num1) * Number(num2);
          document.getElementById(
            "result"
          ).innerText = `The result of ${num1} × ${num2} = ${product}`;
        }
      });
    </script>
  </body>
</html>