LabWork_Web_L3-S5/ArthurB-js-lab-work.html at main · Picthur/LabWork_Web_L3-S5 · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset='utf-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <title>Home</title>
    <meta name='viewport' content='width=device-width, initial-scale=1'>
    <style>
        p {
            background-color: lightblue;
            padding: 0 0;
            margin: 30px 30%;
            border-radius: 5px;
        }
    </style>
</head>

<body style="text-align: center;">
    <script >
        var numOfCourses = parseInt(prompt("How many courses did you finish?", 0));
        var courseMarks = [];

        if (isNaN(numOfCourses)){
            document.write("Invalid Input!")
        }
        else{
            for (var index = 0; index < numOfCourses; index++) {
                courseMarks[index] = parseFloat(prompt("Enter your course n°"+ (index+1) +" mark:"));
            }

            for (let index = 0; index < courseMarks.length; index++) {
                document.write("<p> <br/>"+ courseMarks[index]+"<br/><br/><p/>");
            }

            var sum = 0;

            for (let index = 0; index < courseMarks.length; index++) {
                sum += courseMarks[index];
            }

            average = (sum/numOfCourses).toFixed(2);

            if ((average >= 90) && (average <= 100)){
                document.write("<br/> Your final average is "+ average +". Your grade is A+ <br/><br/>");
            }
            else if ((average >= 80) && (average <= 89)){
                document.write("<br/> Your final average is "+ average +". Your grade is B <br/><br/>");
            }
            else if ((average >= 70) && (average <= 79)){
                document.write("<br/> Your final average is "+ average +". Your grade is C <br/><br/>");
            }
            else if ((average >= 60) && (average <= 69)){
                document.write("<br/> Your final average is "+ average +". Your grade is D <br/><br/>");
            }
            else if ((average < 60)){
                document.write("<br/> Your final average is "+ average +". Your grade is F <br/><br/>");
            }
            else{
                document.write("Sorry, All the marks have to be from minimum 0 to maximum 100!");
            }
        }
    </script>
</body>
</html>