JavaScript-Projects/index.html at main · iamafaqkhan/JavaScript-Projects · 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>Javascript</title>
</head>
<body>

    <script>
        let namee;
        var age;
        var mark1, mark2, mark3;
        var sum, percentage, total_marks = 300;


        namee = prompt("Enter your Name")
        age = prompt("Enter your Age")
        mark1 = prompt("Enter Biology Marks out of 100")
        mark2 = prompt("Enter Chemistry marks out of 100")
        mark3 = prompt("Enter Physics marks out of 100")

        mark1 = parseFloat(mark1)
        mark2 = parseFloat(mark2)
        mark3 = parseFloat(mark3)


        sum = mark1 + mark2 + mark3;

        alert("Total Marks :" + total_marks)
        alert("Obtained Marks :" + sum)

        alert("Persenatge Obtained " + (sum/total_marks)*100 + "%")

    </script>

</body>
</html>