jendoe0110.github.io/part1_3.html at main · jendoe0110/jendoe0110.github.io · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Part 1: Student Grades</title>
</head>
<body>
    <h1>Student Grades</h1>

    <!-- Form for entering student grades -->
    <form id="gradeForm">
        <label for="hwAvg">Homework Average:</label>
        <input type="number" id="hwAvg" name="hwAvg" min="0" max="100" required><br>

        <label for="midExam">Mid-Term Exam Score:</label>
        <input type="number" id="midExam" name="midExam" min="0" max="100" required><br>

        <label for="finalExam">Final Exam Score:</label>
        <input type="number" id="finalExam" name="finalExam" min="0" max="100" required><br>

        <label for="participation">Participation:</label>
        <input type="number" id="participation" name="participation" min="0" max="100" required><br>

        <button type="button" id="calculateButton">Calculate</button>
        <button type="button" id="clearButton">Clear</button>
    </form>

    <!-- Output area for results and error message -->
    <div id="output"></div>

    <script>
        document.getElementById("calculateButton").addEventListener("click", function() {
            // Get input values
            const hwAvg = parseFloat(document.getElementById("hwAvg").value);
            const midExam = parseFloat(document.getElementById("midExam").value);
            const finalExam = parseFloat(document.getElementById("finalExam").value);
            const participation = parseFloat(document.getElementById("participation").value);

            // Check for valid input
            if (isNaN(hwAvg) || isNaN(midExam) || isNaN(finalExam) || isNaN(participation)) {
                document.getElementById("output").textContent = "Invalid input. Please enter valid grades.";
                return;
            }

            // Calculate final average
            const finalAverage = (.5 * hwAvg) + (.2 * midExam) + (.2 * finalExam) + (.1 * participation);

            // Calculate letter grade
            let letterGrade;
            if (finalAverage >= 90) {
                letterGrade = "A";
            } else if (finalAverage >= 80) {
                letterGrade = "B";
            } else if (finalAverage >= 70) {
                letterGrade = "C";
            } else if (finalAverage >= 60) {
                letterGrade = "D";
            } else {
                letterGrade = "F";
            }

            // Display result
            document.getElementById("output").textContent = `Final Average: ${Math.round(finalAverage)} (${letterGrade})`;

            // Check if the student must retake the course
            if (letterGrade === "D" || letterGrade === "F") {
                document.getElementById("output").textContent += "\nStudent must retake the course.";
            }
        });

        document.getElementById("clearButton").addEventListener("click", function() {
            // Clear the form and output area
            document.getElementById("gradeForm").reset();
            document.getElementById("output").textContent = "";
        });
        <!-- Create a button that links back to Homework3.html -->
<button onclick="window.location.href='homework3.html'">Go Back to Homework 3</button>
    </script>
</body>
</html>