Grade by Weight Calculator
Effortlessly calculate your final course grade with our intuitive Grade by Weight Calculator. Input your assignment types, their weights, and your scores to see your overall standing and understand how each component impacts your final grade.
Weighted Grade Calculator
Your Calculated Grade
—
Overall Percentage: —%
Total Weight Applied: —%
Points Earned: —
Formula: Sum of (Score Percentage * Weight) for each assignment type.
Grade Distribution by Assignment Type
What is a Grade by Weight Calculator?
A Grade by Weight Calculator is an essential academic tool designed to help students, educators, and parents accurately determine a final course grade based on various assignments, quizzes, exams, and projects, each contributing a specific percentage (weight) to the overall score. In essence, it quantifies how much each piece of academic work contributes to the final letter grade or numerical score in a course. This type of calculator is particularly useful in courses where different assessment types carry different levels of importance. For instance, a final exam might be worth 40% of the grade, while homework assignments might collectively be worth only 20%. Understanding these weights allows students to prioritize their study efforts and manage their performance effectively. We offer a free, intuitive grade by weight calculator to simplify this process.
Who should use it:
- Students: To track their progress, estimate their current standing, and understand the impact of future assignments on their final grade.
- Educators: To quickly verify calculations, communicate grading policies clearly, and assist students in understanding their performance.
- Parents: To stay informed about their child's academic performance and provide targeted support.
Common misconceptions:
- Misconception: All assignments are weighted equally. Reality: The core purpose of a weighted grading system is to assign different levels of importance to different assessment types.
- Misconception: A high score on one assignment guarantees a good final grade. Reality: The overall grade depends on the sum of weighted scores; a few high scores might not compensate for poor performance on heavily weighted components.
- Misconception: The calculator only works for numerical scores. Reality: While numerical percentages are common, the calculator can adapt to various scoring systems as long as a consistent percentage representation can be achieved.
Grade by Weight Calculator Formula and Mathematical Explanation
The fundamental principle behind the grade by weight calculator is a weighted average. Each score for an assignment is converted into a percentage of the maximum possible points for that assignment, and then this percentage is multiplied by the assignment's designated weight. The sum of these weighted scores across all assignment types gives the final overall percentage grade for the course.
The formula can be expressed as:
Final Grade (%) = Σ (Score Percentagei × Weighti)
Where:
- Σ (Sigma) represents the summation or sum of all the terms.
- Score Percentagei is the score achieved on the i-th assignment type, expressed as a percentage (e.g., 85% or 0.85).
- Weighti is the percentage weight assigned to the i-th assignment type (e.g., 20% or 0.20).
Variable Explanations:
To use the grade by weight calculator effectively, you need to understand the variables involved:
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Assignment Type | Category of academic work (e.g., Homework, Quiz, Midterm, Final Exam, Project) | Text | N/A |
| Weight | The percentage contribution of this assignment type to the final grade. The sum of all weights must equal 100%. | % or Decimal | 0% – 100% (summing to 100%) |
| Your Score | The raw score you received on assignments within this type. | Points | 0 – Max Possible Points |
| Max Points | The total possible points for assignments within this type. | Points | > 0 |
| Score Percentage | Your Score divided by Max Points, expressed as a percentage. Calculated as (Your Score / Max Points) * 100. | % | 0% – 100% |
| Weighted Score | Score Percentage multiplied by the Weight for that assignment type. | % | 0% – Weight (%) |
| Final Grade | The sum of all Weighted Scores. | % | 0% – 100% |
Practical Examples (Real-World Use Cases)
Let's illustrate how the grade by weight calculator works with a couple of scenarios:
Example 1: University Course Mid-Semester Check
Sarah is taking a college course and wants to know her current grade. The course grading breakdown is as follows:
- Homework: 20%
- Quizzes: 30%
- Midterm Exam: 50%
So far, she has completed:
- Homework: Scored 180 out of 200 possible points.
- Quizzes: Scored 45 out of 50 possible points.
- Midterm Exam: Scored 75 out of 100 possible points.
Calculation:
- Homework: (180 / 200) * 20% = 0.90 * 20% = 18.0%
- Quizzes: (45 / 50) * 30% = 0.90 * 30% = 27.0%
- Midterm Exam: (75 / 100) * 50% = 0.75 * 50% = 37.5%
Sarah's Final Grade = 18.0% + 27.0% + 37.5% = 82.5%
Using our calculator, Sarah enters 'Homework', 20% weight, 180 score, 200 max points; 'Quizzes', 30% weight, 45 score, 50 max points; and 'Midterm Exam', 50% weight, 75 score, 100 max points. The calculator will show her overall grade is 82.5%, with intermediate values clearly displayed.
Example 2: High School Final Grade Projection
Mark is in a high school class. The final grade is determined by:
- Assignments: 40%
- Tests: 40%
- Final Project: 20%
Mark's current standing is:
- Assignments: Scored 360 out of 400 possible points.
- Tests: Scored 150 out of 180 possible points.
- Final Project: He hasn't completed it yet but anticipates scoring 85% on it.
Calculation:
- Assignments: (360 / 400) * 40% = 0.90 * 40% = 36.0%
- Tests: (150 / 180) * 40% = 0.8333 * 40% = 33.33%
- Final Project (Projected): 85% * 20% = 17.0%
Mark's Projected Final Grade = 36.0% + 33.33% + 17.0% = 86.33%
Mark can use the grade by weight calculator to input his current scores and then experiment with different projected scores for his final project (e.g., what if he gets 90%?) to see how it affects his final grade. This helps him set realistic goals for the remaining work.
How to Use This Grade by Weight Calculator
Our Grade by Weight Calculator is designed for simplicity and accuracy. Follow these steps:
- Add Assignment Types: Click the "Add Assignment Type" button. You'll see fields appear for a new category (e.g., "Homework", "Quizzes", "Midterm").
- Input Assignment Details:
- Type Name: Enter a descriptive name for the assignment category (e.g., "Lab Reports").
- Weight (%): Enter the percentage this category contributes to your total grade. Ensure the sum of all weights equals 100%.
- Your Score: Enter the total points you have earned for all assignments within this category.
- Max Points: Enter the total possible points for all assignments within this category.
- Add More Types: Repeat step 1 and 2 for all relevant assessment categories in your course.
- Calculate Grade: Once all your assignment types are entered, click the "Calculate Grade" button.
- Review Results: The calculator will display your overall percentage grade, the total weight applied, and the total points earned. It also shows a simplified explanation of the formula used.
- Visualize: Check the dynamic chart that visually breaks down your grade contribution by assignment type.
- Reset: To start over, click the "Reset" button, which will clear all fields and revert to a default state.
- Copy: Use the "Copy Results" button to save your calculated grade and intermediate values for future reference.
How to read results: The main result is your overall percentage grade. The "Total Weight Applied" confirms that your inputted weights sum correctly (ideally 100%). "Points Earned" shows the total points you've accumulated across all graded items, relative to the maximum possible if all weights were evenly distributed (this is a conceptual metric for quick understanding). The chart provides a visual breakdown, showing which components contribute most significantly to your score.
Decision-making guidance: If your calculated grade is lower than expected, analyze the chart and the intermediate results. Identify which weighted categories have the lowest contribution. This tells you where you might need to focus your efforts for future assignments or where previous performance was weaker. You can also use the calculator to project potential grades by adjusting scores for upcoming assignments before they are finalized.
Key Factors That Affect Grade by Weight Calculator Results
While the grade by weight calculator itself performs a straightforward mathematical operation, several real-world factors influence the inputs and the interpretation of the results:
- Accuracy of Inputted Weights: The most critical factor. If the weights provided by the instructor or entered by the user are incorrect, the entire calculation will be flawed. Always double-check the official syllabus or grading policy.
- Scoring Consistency: Ensure that scores and maximum points are entered accurately for each assignment type. Minor errors in raw scores can slightly skew the final percentage.
- Completeness of Data: The calculator provides the most accurate picture when all graded components for the course term are included. Missing assignments or categories will lead to an incomplete or misleading grade calculation.
- Understanding of "Score Percentage": Students must correctly calculate the percentage for each assignment type (e.g., 85/100 = 85%). The calculator handles this, but the initial data entry is key.
- Weight Distribution: Courses with heavily weighted final exams or projects require students to perform well on these high-stakes assessments. A low score on a 50% weighted exam can drastically lower the final grade, even with good performance elsewhere. Conversely, consistent good scores on lower-weighted items are crucial.
- Bonus Points and Extra Credit: The calculator, in its standard form, does not automatically account for bonus points or extra credit opportunities unless they are explicitly factored into the "Max Points" or "Your Score" in a way that reflects their weighted value. Educators need to clarify how extra credit impacts the overall percentage calculation. For instance, extra credit points might increase the "Your Score" without changing the "Max Points" initially, effectively boosting the percentage for that assignment type.
- Curve Adjustments: Some instructors may apply a curve to assignment scores or the final grade. This calculator does not incorporate grading curves, as they are applied post-calculation by the instructor based on overall class performance.
- Assignment Type Granularity: Sometimes, a single "category" like "Homework" might comprise multiple individual assignments. Ensure you are summing the scores and max points correctly for all assignments within that category before entering them into the calculator.
Frequently Asked Questions (FAQ)
Q1: What is the difference between a simple average and a weighted average grade?
A: A simple average gives equal importance to all scores. A weighted average assigns different levels of importance (weights) to different scores, meaning some assignments have a greater impact on the final grade than others. Our grade by weight calculator uses a weighted average.
Q2: Do the weights have to add up to exactly 100%?
A: Yes, for the calculation to be accurate and represent the total course grade, the sum of all weights must equal 100%. Our calculator will indicate if the total weight applied is not 100%.
Q3: Can I use this calculator if my grades are not in percentages?
A: Yes, as long as you can determine the percentage score for each assignment type (e.g., by dividing your earned points by the total possible points). The calculator works with the percentage contribution of each component.
Q4: What happens if I get a score higher than the maximum points (e.g., extra credit)?
A: You should enter your actual score (e.g., 110 points if max was 100) and the maximum points (e.g., 100). The calculator will correctly process this as a score percentage over 100% for that specific assignment type, impacting your overall grade positively.
Q5: How can I use this calculator to improve my grade?
A: By inputting your current scores, you can see your standing. Then, you can simulate future scores for upcoming assignments (by adjusting the "Your Score" and "Max Points" for relevant categories) to understand how much effort is needed to achieve a target grade.
Q6: My calculator shows a total weight less than 100%. What does that mean?
A: It means that not all assignment categories for the course have been entered, or the weights entered do not sum up to 100%. You should ensure all graded components are included with their correct weights.
Q7: Can this calculator predict my letter grade (A, B, C)?
A: The calculator provides a percentage. You will need to compare this percentage to your institution's or instructor's grading scale (e.g., 90-100% = A, 80-89% = B) to determine your letter grade.
Q8: What if an assignment category has multiple assignments?
A: Sum the scores you received for all assignments within that category and enter that total as "Your Score". Similarly, sum the maximum possible points for all assignments in that category and enter that as "Max Points".
Related Tools and Internal Resources
Enter a name for this category (e.g., Homework).
Enter the percentage this category contributes (e.g., 20 for 20%).
Enter the total points you earned in this category.
Enter the total maximum points possible for this category.
`;
assignmentGroupsDiv.appendChild(newGroup);
// Initialize default values if needed, or leave empty
// For example, to pre-fill the first one:
if (assignmentCounter === 1) {
document.getElementById("typeName_1").value = "Assignments";
document.getElementById("weight_1").value = "40";
document.getElementById("score_1").value = "";
document.getElementById("maxScore_1").value = "";
} else if (assignmentCounter === 2) {
document.getElementById("typeName_2").value = "Quizzes";
document.getElementById("weight_2").value = "30";
document.getElementById("score_2").value = "";
document.getElementById("maxScore_2").value = "";
} else if (assignmentCounter === 3) {
document.getElementById("typeName_3").value = "Midterm Exam";
document.getElementById("weight_3").value = "30";
document.getElementById("score_3").value = "";
document.getElementById("maxScore_3").value = "";
}
// Update initial count after adding the first element
if (initialAssignmentCount === 0) {
initialAssignmentCount = assignmentCounter;
}
updateChartAndResults(); // Update dynamically
}
function removeAssignmentType(id) {
var groupToRemove = document.getElementById("assignmentGroup_" + id);
if (groupToRemove) {
groupToRemove.remove();
}
updateChartAndResults(); // Update dynamically
}
function validateInput(inputElement, minValue, maxValue, fieldName) {
var errorDiv = document.getElementById(inputElement.id.replace(/score|maxScore|weight|typeName/g, fieldName.toLowerCase().replace(" ", "") + "Error_" + inputElement.id.split('_').pop()));
var value = parseFloat(inputElement.value);
var isValid = true;
// Clear previous error
if(errorDiv) errorDiv.classList.remove('visible');
// Check if empty
if (inputElement.value.trim() === "") {
if (fieldName !== "Score Percentage" && fieldName !== "Weighted Score") { // Allow empty for calculation output fields
// Allow empty if it's not a required field or if we want to re-calculate after clearing
}
return; // Don't validate further if empty, assume it will be handled by calculation logic
}
// Check if it's a number
if (isNaN(value)) {
if(errorDiv) errorDiv.innerText = fieldName + " must be a number.";
if(errorDiv) errorDiv.classList.add('visible');
isValid = false;
} else {
// Check min value
if (minValue !== null && value maxValue) {
if(errorDiv) errorDiv.innerText = fieldName + " cannot exceed " + maxValue + "%.";
if(errorDiv) errorDiv.classList.add('visible');
isValid = false;
}
}
// Special validation for typeName
if (fieldName === "Type Name" && inputElement.value.trim() === "") {
if(errorDiv) errorDiv.innerText = "Assignment type name cannot be empty.";
if(errorDiv) errorDiv.classList.add('visible');
isValid = false;
}
// Apply styling or feedback if needed (currently handled by error messages)
inputElement.style.borderColor = isValid ? "" : "#dc3545";
return isValid;
}
function calculateGrade() {
var assignmentGroups = document.getElementsByClassName("assignment-group");
var totalWeightedScore = 0;
var totalWeight = 0;
var totalEarnedPoints = 0;
var totalPossiblePoints = 0;
var scoresData = []; // For chart
// Clear previous errors and results
document.getElementById("results").style.display = "none";
var allErrorDivs = document.querySelectorAll('.error-message');
allErrorDivs.forEach(function(div) {
div.classList.remove('visible');
});
var allInputBorders = document.querySelectorAll('input[type="number"], input[type="text"], select');
allInputBorders.forEach(function(input) {
input.style.borderColor = "";
});
var weightsAreValid = true;
var allAssignmentWeights = [];
for (var i = 0; i < assignmentGroups.length; i++) {
var group = assignmentGroups[i];
var typeNameInput = group.querySelector('input[id^="typeName_"]');
var weightInput = group.querySelector('input[id^="weight_"]');
var scoreInput = group.querySelector('input[id^="score_"]');
var maxScoreInput = group.querySelector('input[id^="maxScore_"]');
var typeName = typeNameInput ? typeNameInput.value.trim() : "Unnamed Type";
var weight = parseFloat(weightInput.value);
var score = parseFloat(scoreInput.value);
var maxScore = parseFloat(maxScoreInput.value);
var typeId = weightInput.id.split('_').pop(); // Get the number part
var typeNameError = document.getElementById("typeNameError_" + typeId);
var weightError = document.getElementById("weightError_" + typeId);
var scoreError = document.getElementById("scoreError_" + typeId);
var maxScoreError = document.getElementById("maxScoreError_" + typeId);
// Basic Validation
if (typeName === "") {
if(typeNameError) typeNameError.innerText = "Assignment type name cannot be empty.";
if(typeNameError) typeNameError.classList.add('visible');
typeNameInput.style.borderColor = "#dc3545";
weightsAreValid = false;
}
if (isNaN(weight) || weight 100) {
if(weightError) weightError.innerText = "Weight must be between 0 and 100.";
if(weightError) weightError.classList.add('visible');
weightInput.style.borderColor = "#dc3545";
weightsAreValid = false;
}
if (isNaN(score) || score < 0) {
if(scoreError) scoreError.innerText = "Score cannot be negative.";
if(scoreError) scoreError.classList.add('visible');
scoreInput.style.borderColor = "#dc3545";
weightsAreValid = false;
}
if (isNaN(maxScore) || maxScore maxScore for extra credit interpretation
if (score > maxScore && maxScore > 0) {
// This is potentially okay if maxScore is interpreted as base max points
// Let's allow it but ensure maxScore is > 0
} else if (score > maxScore && maxScore === 0) { // Avoid division by zero if maxScore is 0
if(maxScoreError) maxScoreError.innerText = "Max points must be greater than 0.";
if(maxScoreError) maxScoreError.classList.add('visible');
maxScoreInput.style.borderColor = "#dc3545";
weightsAreValid = false;
}
if (!weightsAreValid) continue; // Skip calculation for this group if invalid
// Calculation logic
var scorePercentage = (maxScore > 0) ? (score / maxScore) * 100 : 0;
var weightedScore = (weight / 100) * scorePercentage; // Ensure weight is used as decimal
totalWeightedScore += weightedScore;
totalWeight += weight;
totalEarnedPoints += score;
totalPossiblePoints += maxScore; // This sum is conceptual, not directly used in final grade %
scoresData.push({
name: typeName,
percentage: scorePercentage.toFixed(2),
weight: weight.toFixed(2),
weightedValue: weightedScore.toFixed(2)
});
}
if (!weightsAreValid) {
alert("Please correct the errors in the input fields before calculating.");
return;
}
// Display results
var finalGradeElement = document.getElementById("finalGrade");
var overallPercentageElement = document.getElementById("overallPercentage");
var totalWeightAppliedElement = document.getElementById("totalWeightApplied");
var pointsEarnedElement = document.getElementById("pointsEarned");
var resultsDiv = document.getElementById("results");
finalGradeElement.innerText = totalWeightedScore.toFixed(2) + "%";
overallPercentageElement.innerText = totalWeightedScore.toFixed(2);
totalWeightAppliedElement.innerText = totalWeight.toFixed(2);
pointsEarnedElement.innerText = totalEarnedPoints.toFixed(2); // Display raw earned points
resultsDiv.style.display = "block";
// Update chart data
updateChart(scoresData);
}
function resetCalculator() {
document.getElementById("assignmentGroups").innerHTML = ""; // Clear all added groups
assignmentCounter = 0; // Reset counter
initialAssignmentCount = 0; // Reset initial count tracker
document.getElementById("results").style.display = "none"; // Hide results
// Add default assignment types
addAssignmentType(); // Adds first default
addAssignmentType(); // Adds second default
addAssignmentType(); // Adds third default
// Clear any potential errors/styles from previous state
var allErrorDivs = document.querySelectorAll('.error-message');
allErrorDivs.forEach(function(div) {
div.classList.remove('visible');
div.innerText = ";
});
var allInputBorders = document.querySelectorAll('input[type="number"], input[type="text"], select');
allInputBorders.forEach(function(input) {
input.style.borderColor = "";
});
updateChartAndResults(); // Clear chart
}
function copyResults() {
var resultsDiv = document.getElementById("results");
if (resultsDiv.style.display === "none") {
alert("Please calculate the grade first.");
return;
}
var finalGrade = document.getElementById("finalGrade").innerText;
var overallPercentage = document.getElementById("overallPercentage").innerText;
var totalWeightApplied = document.getElementById("totalWeightApplied").innerText;
var pointsEarned = document.getElementById("pointsEarned").innerText;
var formula = "Formula: Sum of (Score Percentage * Weight) for each assignment type.";
var assignmentGroups = document.getElementsByClassName("assignment-group");
var assignmentDetails = [];
for (var i = 0; i 0) ? (parseFloat(score) / parseFloat(maxScore)) * 100 : 0;
var weightedScore = (parseFloat(weight) / 100) * scorePercentage;
assignmentDetails.push(
`- ${typeName}: Score=${score}/${maxScore} (${scorePercentage.toFixed(2)}%), Weight=${weight}%, Weighted Value=${weightedScore.toFixed(2)}%`
);
}
var textToCopy = `— Grade by Weight Calculator Results —\n\n`;
textToCopy += `Final Grade: ${finalGrade}\n`;
textToCopy += `Overall Percentage: ${overallPercentage}%\n`;
textToCopy += `Total Weight Applied: ${totalWeightApplied}%\n`;
textToCopy += `Total Points Earned (sum of raw scores): ${pointsEarned}\n\n`;
textToCopy += `Formula Used: ${formula}\n\n`;
textToCopy += `Assignment Details:\n${assignmentDetails.join('\n')}\n\n`;
textToCopy += `— End of Results —`;
// Use navigator.clipboard if available, otherwise fallback
if (navigator.clipboard) {
navigator.clipboard.writeText(textToCopy).then(function() {
alert('Results copied to clipboard!');
}).catch(function(err) {
console.error('Failed to copy: ', err);
prompt("Copy manually:", textToCopy);
});
} else {
prompt("Copy manually:", textToCopy);
}
}
// Charting Logic
var myChart = null; // Global variable to hold chart instance
function updateChart(scoresData) {
var ctx = document.getElementById('gradeChart').getContext('2d');
// Destroy previous chart instance if it exists
if (myChart) {
myChart.destroy();
}
// Prepare data for the chart
var labels = scoresData.map(item => item.name);
var dataSeries1 = scoresData.map(item => parseFloat(item.weightedValue)); // Weighted Contribution
var dataSeries2 = scoresData.map(item => parseFloat(item.weight)); // Original Weight
// Add a total row if needed or just show contributions
// For simplicity, let's just show contributions vs weights
myChart = new Chart(ctx, {
type: 'bar',
data: {
labels: labels,
datasets: [
{
label: 'Weighted Contribution (%)',
data: dataSeries1,
backgroundColor: 'rgba(0, 74, 153, 0.6)', // Primary color variation
borderColor: 'rgba(0, 74, 153, 1)',
borderWidth: 1
},
{
label: 'Assignment Weight (%)',
data: dataSeries2,
backgroundColor: 'rgba(40, 167, 69, 0.6)', // Success color variation
borderColor: 'rgba(40, 167, 69, 1)',
borderWidth: 1
}
]
},
options: {
responsive: true,
maintainAspectRatio: true, // Allows height adjustment
scales: {
y: {
beginAtZero: true,
title: {
display: true,
text: 'Percentage (%)'
}
},
x: {
title: {
display: true,
text: 'Assignment Type'
}
}
},
plugins: {
legend: {
position: 'top',
},
title: {
display: true,
text: 'Grade Contribution vs. Weight'
}
}
}
});
}
// Function to clear chart if no data
function clearChart() {
var ctx = document.getElementById('gradeChart').getContext('2d');
if (myChart) {
myChart.destroy();
myChart = null;
}
// Optionally clear canvas context if needed, but destroying chart is sufficient
}
// Update chart and results dynamically on input change
function updateChartAndResults() {
// Trigger calculation only if results are visible or if needed to update chart preview
// For simplicity, let's just update chart based on current inputs, calculation will be explicit on button click
var assignmentGroups = document.getElementsByClassName("assignment-group");
var scoresData = [];
var totalWeight = 0;
var allValid = true;
// Temporarily hide results to prevent showing incomplete calculations
document.getElementById("results").style.display = "none";
for (var i = 0; i < assignmentGroups.length; i++) {
var group = assignmentGroups[i];
var typeNameInput = group.querySelector('input[id^="typeName_"]');
var weightInput = group.querySelector('input[id^="weight_"]');
var scoreInput = group.querySelector('input[id^="score_"]');
var maxScoreInput = group.querySelector('input[id^="maxScore_"]');
var typeName = typeNameInput ? typeNameInput.value.trim() : "Unnamed Type";
var weight = parseFloat(weightInput.value);
var score = parseFloat(scoreInput.value);
var maxScore = parseFloat(maxScoreInput.value);
// Check for basic validity needed for chart data
if (typeName === "" || isNaN(weight) || isNaN(score) || isNaN(maxScore) || maxScore <= 0) {
allValid = false;
// Don't add this group's data to chart if invalid
continue;
}
if (weight 100 || score 0) ? (score / maxScore) * 100 : 0;
var weightedScore = (weight / 100) * scorePercentage;
scoresData.push({
name: typeName,
percentage: scorePercentage.toFixed(2),
weight: weight.toFixed(2),
weightedValue: weightedScore.toFixed(2)
});
totalWeight += weight;
}
if (scoresData.length > 0 && allValid) {
updateChart(scoresData);
} else {
clearChart(); // Clear the chart if no valid data or no assignment groups
}
// Update total weight displayed as an indicator, without showing full results
document.getElementById("totalWeightApplied").innerText = totalWeight.toFixed(2);
}
// Initial setup: Add default assignment types and potentially run initial calculation if defaults are set
document.addEventListener("DOMContentLoaded", function() {
addAssignmentType(); // Add first default
addAssignmentType(); // Add second default
addAssignmentType(); // Add third default
// Optional: Add event listeners for real-time updates
var form = document.getElementById("gradeForm");
form.addEventListener("input", function(event) {
// Check if the input element is part of the assignment groups
if (event.target.closest(".assignment-group")) {
updateChartAndResults();
}
});
// Initial chart render based on default values
updateChartAndResults();
});