class/java2.html at main · Abufainan/class · 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</title>
</head>
<body>
    <!-- <input fields for the numbers to be added> -->
    <h1>Area</h1>
    <label for="area1">Area 1:</label>
    <input type="number" id="area1" name="area1"><br><br>

    <label for="area2">Area 2:</label>
    <input type="number" id="area2" name="area2"><br><br>
    <button onclick="multiply()">MULTIPLY</button>

    <!-- <output field for the sum></output> -->
     <p id="result"></p>

     <script>
        function multiply(){
        //getting values from the input tag, and we are making sure it's a num that can be added
        let area1=parseFloat(document.getElementById("area1").value);
        let area2=parseFloat(document.getElementById("area2").value);
        let sum=1/2*area1*area2;

        //display our result
        document.getElementById("result").innerText="The sum is: "+sum;
  }
     </script>

</body>
</html>