Weight Watchers Momentum Points Calculator

Weight Watchers Momentum Points Calculator: Calculate Your Points Easily :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –input-border-color: #ced4da; –card-background: #ffffff; –shadow: 0 4px 8px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; display: flex; flex-direction: column; align-items: center; padding-bottom: 40px; } .container { width: 100%; max-width: 1000px; margin: 0 auto; padding: 20px; box-sizing: border-box; } header { background-color: var(–primary-color); color: white; padding: 20px 0; text-align: center; width: 100%; margin-bottom: 30px; } header h1 { margin: 0; font-size: 2.5em; } h2, h3 { color: var(–primary-color); } .calculator-section { background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); padding: 30px; margin-bottom: 30px; display: flex; flex-direction: column; align-items: center; } .calculator-section h2 { margin-top: 0; text-align: center; margin-bottom: 25px; } .loan-calc-container { width: 100%; max-width: 600px; display: flex; flex-direction: column; gap: 20px; } .input-group { display: flex; flex-direction: column; gap: 5px; } .input-group label { font-weight: bold; color: var(–primary-color); } .input-group input[type="number"], .input-group input[type="text"], .input-group select { padding: 12px; border: 1px solid var(–input-border-color); border-radius: 4px; font-size: 1em; box-sizing: border-box; width: 100%; } .input-group input[type="number"]:focus, .input-group input[type="text"]:focus, .input-group select:focus { outline: none; border-color: var(–primary-color); box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2); } .input-group .helper-text { font-size: 0.85em; color: #6c757d; } .input-group .error-message { color: red; font-size: 0.8em; margin-top: 5px; min-height: 1.2em; /* Prevent layout shift */ } .button-group { display: flex; justify-content: center; gap: 15px; margin-top: 20px; flex-wrap: wrap; } button { padding: 12px 25px; border: none; border-radius: 4px; cursor: pointer; font-size: 1em; font-weight: bold; transition: background-color 0.3s ease; } .primary-button { background-color: var(–primary-color); color: white; } .primary-button:hover { background-color: #003366; } .secondary-button { background-color: #6c757d; color: white; } .secondary-button:hover { background-color: #5a6268; } .success-button { background-color: var(–success-color); color: white; } .success-button:hover { background-color: #218838; } .results-container { background-color: var(–primary-color); color: white; border-radius: 8px; padding: 25px; margin-top: 30px; width: 100%; box-sizing: border-box; text-align: center; box-shadow: inset 0 0 10px rgba(0,0,0,0.2); } .results-container h3 { color: white; margin-top: 0; font-size: 1.8em; } .main-result { font-size: 2.8em; font-weight: bold; margin: 15px 0; display: block; background-color: var(–success-color); padding: 15px; border-radius: 4px; } .intermediate-results { display: flex; justify-content: space-around; flex-wrap: wrap; margin-top: 20px; gap: 15px; font-size: 1.1em; } .intermediate-results div { text-align: center; padding: 10px; } .intermediate-results span { display: block; font-weight: bold; font-size: 1.4em; } .formula-explanation { margin-top: 25px; font-size: 0.9em; color: rgba(255, 255, 255, 0.8); border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: 15px; } .chart-container { background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); padding: 30px; margin-bottom: 30px; text-align: center; } .chart-container h3 { margin-top: 0; } canvas { max-width: 100%; height: auto !important; /* Override potential default height */ } .table-container { background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); padding: 30px; margin-bottom: 30px; overflow-x: auto; } .table-container h3 { margin-top: 0; text-align: center; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { padding: 12px 15px; text-align: left; border: 1px solid #dee2e6; } th { background-color: var(–primary-color); color: white; font-weight: bold; } tbody tr:nth-child(even) { background-color: #f2f2f2; } .article-content { background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); padding: 30px; text-align: left; } .article-content h2, .article-content h3 { margin-top: 30px; margin-bottom: 15px; color: var(–primary-color); } .article-content h2 { font-size: 2em; border-bottom: 2px solid var(–primary-color); padding-bottom: 5px; } .article-content h3 { font-size: 1.5em; } .article-content p { margin-bottom: 15px; } .article-content ul, .article-content ol { margin-left: 20px; margin-bottom: 15px; } .article-content li { margin-bottom: 8px; } .faq-list dt { font-weight: bold; color: var(–primary-color); margin-top: 15px; } .faq-list dd { margin-left: 20px; margin-bottom: 15px; } a { color: var(–primary-color); text-decoration: none; } a:hover { text-decoration: underline; } .internal-links-section ul { list-style: none; padding: 0; } .internal-links-section li { margin-bottom: 10px; } footer { text-align: center; margin-top: 40px; padding: 20px; font-size: 0.9em; color: #6c757d; } @media (max-width: 768px) { .container { padding: 10px; } header h1 { font-size: 2em; } .loan-calc-container { width: 100%; } .intermediate-results { flex-direction: column; align-items: center; } button { width: 100%; margin-bottom: 10px; } .button-group { flex-direction: column; } .results-container, .chart-container, .table-container, .calculator-section, .article-content { padding: 20px; } }

Weight Watchers Momentum Points Calculator

Your Essential Tool for Tracking and Understanding WW Momentum Points

Calculate Your Momentum Points

Enter the total calories for one serving.
Enter the total grams of saturated fat for one serving.
Enter the total grams of sugar for one serving.
Enter the total milligrams of sodium for one serving.

0
Calories Factor 0
Saturated Fat Factor 0
Sugar Factor 0
Sodium Factor 0
Momentum Points = (Calories / 50) + (Saturated Fat / 5) + (Sugar / 5) + (Sodium / 400)

Points Breakdown Over Time

Visualizing the contribution of each factor to the total Momentum Points.

Nutritional Breakdown & Point Contribution

Nutrient Amount Point Contribution
Calories 0 0
Saturated Fat (g) 0 0
Sugar (g) 0 0
Sodium (mg) 0 0
Total Momentum Points 0

Detailed breakdown of nutritional values and their impact on Momentum Points.

What is Weight Watchers Momentum Points?

The Weight Watchers Momentum Points system, often simply referred to as WW Points, is a proprietary scoring system designed to guide members toward healthier food choices and portion control. It aims to simplify weight management by assigning a point value to foods based on their nutritional content, particularly focusing on factors that can influence weight gain and overall health. Understanding the WW Momentum Points is crucial for anyone following the Weight Watchers program, as it forms the backbone of their dietary strategy. This system helps users make informed decisions about what to eat, encouraging them to choose nutrient-dense foods over those high in calories, saturated fat, sugar, and sodium.

Who should use it? Anyone enrolled in a Weight Watchers program or individuals interested in a structured approach to healthy eating that emphasizes macronutrient balance and limits less healthy components. It's particularly useful for those who find traditional calorie counting overwhelming or who benefit from a clear, actionable guideline for food selection.

Common misconceptions: A frequent misunderstanding is that WW Points are solely about calorie restriction. While calories are a factor, the system also heavily penalizes saturated fat, sugar, and sodium, promoting a more holistic approach to nutrition. Another misconception is that all "healthy" foods are zero-point; WW has specific lists of zero-point foods that are generally unprocessed and nutrient-dense, but most other foods accrue points. Finally, some believe the points system is static; however, WW has evolved its plans (e.g., SmartPoints, PersonalPoints) over the years, with the underlying principles of assigning values to foods remaining but the specific calculations and zero-point lists potentially changing.

Momentum Points Formula and Mathematical Explanation

The core of the Weight Watchers Momentum Points calculation, particularly for many foods, is based on the nutritional content deemed most impactful on health and weight management. While the exact formula has evolved with different WW plans (like SmartPoints and PersonalPoints), a common foundation often includes calories, saturated fat, sugar, and sodium.

For a general understanding and a basis for our calculator, we'll use a widely recognized formula that reflects the program's emphasis on these key nutrients. The formula aims to assign higher points to foods that are calorically dense, high in unhealthy fats, added sugars, and sodium.

The formula used in this calculator is:

Momentum Points = (Calories / 50) + (Saturated Fat / 5) + (Sugar / 5) + (Sodium / 400)

Let's break down each component:

Variable Explanations

Variable Meaning Unit Typical Range
Calories The total energy content of the food serving. Higher calories generally contribute more points. kcal 1 – 1000+
Saturated Fat The amount of saturated fat in the food serving. This is heavily penalized due to its link with heart health. grams (g) 0 – 50+
Sugar The amount of total sugars (including added sugars) in the food serving. High sugar intake is linked to various health issues and weight gain. grams (g) 0 – 100+
Sodium The amount of sodium (salt) in the food serving. Excessive sodium can lead to fluid retention and high blood pressure. milligrams (mg) 0 – 3000+
Momentum Points The final calculated score for the food item, representing its relative "unhealthiness" or impact on a weight loss plan. Points 0 – 50+

Mathematical Derivation

The divisors (50 for calories, 5 for saturated fat, 5 for sugar, 400 for sodium) are constants determined by Weight Watchers to scale the impact of each nutrient. These specific numbers are chosen to reflect the relative health impact of each component. For instance, a higher divisor means that nutrient has a lesser impact per unit on the total points. WW has determined through research and program data that these ratios best align with promoting healthier food choices. The sum of these scaled values provides the total Momentum Points for a given food item.

The calculator takes your input for each nutrient, divides it by the corresponding factor, and sums these values to arrive at the total Momentum Points.

Practical Examples (Real-World Use Cases)

Example 1: A Healthy Snack – Apple

Let's calculate the Momentum Points for a medium-sized apple.

  • Food Item: Medium Apple
  • Inputs:
    • Calories: 95 kcal
    • Saturated Fat: 0.2 g
    • Sugar: 19 g
    • Sodium: 2 mg

Calculation:

  • Calories Factor: 95 / 50 = 1.9
  • Saturated Fat Factor: 0.2 / 5 = 0.04
  • Sugar Factor: 19 / 5 = 3.8
  • Sodium Factor: 2 / 400 = 0.005

Total Momentum Points = 1.9 + 0.04 + 3.8 + 0.005 = 5.745 Points

Interpretation: Even though an apple is a healthy food rich in fiber, its natural sugar content contributes significantly to its points. This example highlights how WW Momentum Points encourage balance; while fruits are generally encouraged, their sugar content is still accounted for.

Example 2: A Less Healthy Treat – Chocolate Bar

Now, let's calculate the Momentum Points for a standard chocolate bar.

  • Food Item: Standard Chocolate Bar (e.g., 45g)
  • Inputs:
    • Calories: 230 kcal
    • Saturated Fat: 12 g
    • Sugar: 25 g
    • Sodium: 45 mg

Calculation:

  • Calories Factor: 230 / 50 = 4.6
  • Saturated Fat Factor: 12 / 5 = 2.4
  • Sugar Factor: 25 / 5 = 5.0
  • Sodium Factor: 45 / 400 = 0.1125

Total Momentum Points = 4.6 + 2.4 + 5.0 + 0.1125 = 12.1125 Points

Interpretation: The chocolate bar scores significantly higher due to its substantial contribution across all metrics, especially saturated fat and sugar. This reinforces the WW philosophy of limiting such treats within a daily points budget.

How to Use This Weight Watchers Momentum Points Calculator

Using our Weight Watchers Momentum Points calculator is straightforward and designed to provide quick insights into the point value of your food choices. Follow these simple steps:

  1. Identify Food Details: Find the nutritional information for the food item you want to calculate. This is usually available on the packaging, online, or via nutritional databases. You'll need the values for Calories, Saturated Fat (in grams), Sugar (in grams), and Sodium (in milligrams) per serving.
  2. Enter Nutrient Values: Input the exact amounts for Calories, Saturated Fat, Sugar, and Sodium into the corresponding fields in the calculator. For the 'Food Item Name' field, type in the name of the food for clarity in the results.
  3. Calculate: Click the "Calculate Points" button. The calculator will process the inputs using the Momentum Points formula.
  4. Review Results: The primary result will display the total Momentum Points for the food item. Below this, you'll see the intermediate point contributions from each nutrient factor (Calories, Saturated Fat, Sugar, Sodium). The table and chart will also update to provide a visual breakdown and detailed values.
  5. Understand the Breakdown: The intermediate results and table show you which nutrient is contributing the most points. This helps you understand *why* a food has a certain point value and guides you toward making swaps (e.g., choosing a lower-fat or lower-sugar alternative).
  6. Reset or Copy: Use the "Reset" button to clear all fields and start a new calculation. The "Copy Results" button allows you to easily share or save the calculated points and breakdown, including the key assumptions (nutritional values used).

Decision-Making Guidance: By understanding the points, you can make informed choices. Foods with fewer Momentum Points are generally healthier and more aligned with weight loss goals. This tool helps you compare different options and prioritize foods that fit within your daily or weekly WW Points budget.

Key Factors That Affect Weight Watchers Momentum Points Results

Several factors influence the Momentum Points calculated for a food item, reflecting the Weight Watchers philosophy on healthy eating and weight management. Understanding these factors can help you better interpret results and make strategic food choices.

  1. Calorie Density: Foods that pack a lot of calories into a small volume (high calorie density) will naturally accrue more points. This encourages choosing foods that are filling but less energy-dense, like vegetables and lean proteins.
  2. Saturated Fat Content: Saturated fat is heavily penalized in the WW Points system. This is because high intake is linked to increased risk of cardiovascular disease. Choosing foods lower in saturated fat, like lean meats and plant-based fats, results in fewer points.
  3. Sugar Content: Added sugars and high levels of natural sugars significantly increase a food's point value. This encourages limiting sugary drinks, candies, and processed snacks in favor of whole foods.
  4. Sodium Content: While sodium has a lower point contribution multiplier compared to other factors, high sodium intake in processed foods, restaurant meals, and snacks can still add up, contributing to the overall point count. Limiting sodium is encouraged for overall health, including blood pressure management.
  5. Portion Size: The calculation is based on the serving size specified. Consuming larger portions than listed will result in a proportionally higher point value. Accurate portion control is therefore essential.
  6. Food Type & Program Evolution: It's important to remember that Weight Watchers periodically updates its plans (e.g., from classic Points to SmartPoints to PersonalPoints). While the core principle of assigning points remains, the exact formulas, the weight given to each nutrient, and the list of zero-point foods can change. Our calculator uses a common, foundational formula, but you should always refer to the official WW app for the most current calculations specific to your plan.
  7. Zero-Point Foods: WW designates certain nutrient-dense, low-calorie foods (like most non-starchy vegetables, fruits, lean proteins) as "zero-point" foods on specific plans. These foods do not contribute to your daily points total, even if they contain small amounts of calories or sugar, because they are considered foundational for healthy eating and satiety. This calculator does not automatically identify zero-point foods; it calculates points based on the standard formula.

Frequently Asked Questions (FAQ)

Q1: Is the Weight Watchers Momentum Points calculator accurate for all WW plans?
A1: This calculator uses a widely recognized formula based on Calories, Saturated Fat, Sugar, and Sodium. Weight Watchers has evolved its plans (SmartPoints, PersonalPoints), and the exact formulas and zero-point food lists may vary. For the most precise calculation according to your specific plan, always consult the official WW app or program materials.
Q2: Why does fruit have points if it's healthy?
A2: Fruits are highly encouraged on WW due to their fiber, vitamins, and minerals. However, they also contain natural sugars (fructose). The points system accounts for this sugar content, encouraging moderation and balance within your daily budget, especially for those on plans where fruit isn't a zero-point food.
Q3: How are "added sugars" versus "natural sugars" handled?
A3: The formula typically uses *total* sugar content. While WW's philosophy encourages limiting added sugars, the points calculation often reflects the overall sugar load. This still guides users away from foods excessively high in any form of sugar.
Q4: What if a food has 0g of Saturated Fat, Sugar, or Sodium?
A4: If a nutrient value is 0, its contribution to the points will be 0 (e.g., 0 / 5 = 0). This correctly reflects that the absence of that nutrient does not add to the food's point value.
Q5: Can I use this calculator for restaurant meals?
A5: Yes, if you can find reliable nutritional information for the restaurant meal. However, be aware that restaurant meals can be high in hidden sodium, fats, and sugars, and portion sizes may vary. Using estimates might lead to inaccurate point calculations.
Q6: What does the "momentum" in Momentum Points mean?
A6: The term "momentum" in earlier WW plans referred to encouraging a positive trajectory in weight loss by focusing on healthier choices and habits. The points system was designed to build this positive momentum by guiding users toward foods that support their goals.
Q7: My calculated points seem high. What should I do?
A7: Double-check the nutritional information you entered and the serving size. Also, consider if the food is typically higher in calories, saturated fat, or sugar. If the points are indeed high, it indicates that this food might be best consumed in moderation as part of your overall WW plan.
Q8: How do zero-point foods fit into this calculation?
A8: Foods designated as zero-point on specific WW plans (like many fruits, vegetables, and lean proteins) are typically excluded from this type of point calculation. They are foundational foods that members can eat freely without tracking points. This calculator is best used for foods that are *not* on the zero-point list or if you are on a plan where most foods accrue points.

Related Tools and Internal Resources

© 2023 Your Website Name. All rights reserved.

Disclaimer: This calculator is for informational purposes only and does not constitute professional dietary advice. Consult with a qualified healthcare provider or registered dietitian for personalized guidance.

var chartInstance = null; // Keep track of the chart instance function getInputValue(id) { var element = document.getElementById(id); if (!element) return NaN; var value = element.value.trim(); if (value === ") return NaN; return parseFloat(value); } function setError(id, message) { var errorElement = document.getElementById(id); if (errorElement) { errorElement.textContent = message; } } function clearErrors() { setError('foodNameError', "); setError('caloriesError', "); setError('saturatedFatError', "); setError('sugarError', "); setError('sodiumError', "); } function validateInputs() { clearErrors(); var isValid = true; var foodName = document.getElementById('foodName').value.trim(); if (foodName === ") { setError('foodNameError', 'Food item name is required.'); isValid = false; } var calories = getInputValue('calories'); if (isNaN(calories) || calories < 0) { setError('caloriesError', 'Please enter a valid, non-negative number for calories.'); isValid = false; } var saturatedFat = getInputValue('saturatedFat'); if (isNaN(saturatedFat) || saturatedFat < 0) { setError('saturatedFatError', 'Please enter a valid, non-negative number for saturated fat.'); isValid = false; } var sugar = getInputValue('sugar'); if (isNaN(sugar) || sugar < 0) { setError('sugarError', 'Please enter a valid, non-negative number for sugar.'); isValid = false; } var sodium = getInputValue('sodium'); if (isNaN(sodium) || sodium < 0) { setError('sodiumError', 'Please enter a valid, non-negative number for sodium.'); isValid = false; } return isValid; } function calculateMomentumPoints() { if (!validateInputs()) { return; } var foodName = document.getElementById('foodName').value.trim(); var calories = getInputValue('calories'); var saturatedFat = getInputValue('saturatedFat'); var sugar = getInputValue('sugar'); var sodium = getInputValue('sodium'); // Formula: Momentum Points = (Calories / 50) + (Saturated Fat / 5) + (Sugar / 5) + (Sodium / 400) var caloriesPoints = calories / 50; var saturatedFatPoints = saturatedFat / 5; var sugarPoints = sugar / 5; var sodiumPoints = sodium / 400; var totalMomentumPoints = caloriesPoints + saturatedFatPoints + sugarPoints + sodiumPoints; // Format results to a reasonable number of decimal places var formattedTotalPoints = totalMomentumPoints.toFixed(2); var formattedCaloriesPoints = caloriesPoints.toFixed(2); var formattedSaturatedFatPoints = saturatedFatPoints.toFixed(2); var formattedSugarPoints = sugarPoints.toFixed(2); var formattedSodiumPoints = sodiumPoints.toFixed(2); document.getElementById('resultFoodName').textContent = foodName + " Momentum Points"; document.getElementById('momentumPointsResult').textContent = formattedTotalPoints; document.getElementById('caloriesFactorResult').textContent = formattedCaloriesPoints; document.getElementById('saturatedFatFactorResult').textContent = formattedSaturatedFatPoints; document.getElementById('sugarFactorResult').textContent = formattedSugarPoints; document.getElementById('sodiumFactorResult').textContent = formattedSodiumPoints; document.getElementById('tableCalories').textContent = calories; document.getElementById('tableSatFat').textContent = saturatedFat.toFixed(1); document.getElementById('tableSugar').textContent = sugar.toFixed(1); document.getElementById('tableSodium').textContent = sodium; document.getElementById('tableCaloriesPoints').textContent = formattedCaloriesPoints; document.getElementById('tableSatFatPoints').textContent = formattedSaturatedFatPoints; document.getElementById('tableSugarPoints').textContent = formattedSugarPoints; document.getElementById('tableSodiumPoints').textContent = formattedSodiumPoints; document.getElementById('tableTotalPoints').textContent = formattedTotalPoints; document.getElementById('resultsContainer').style.display = 'block'; updateChart( [parseFloat(formattedCaloriesPoints), parseFloat(formattedSaturatedFatPoints), parseFloat(formattedSugarPoints), parseFloat(formattedSodiumPoints)], ['Calories', 'Saturated Fat', 'Sugar', 'Sodium'] ); } function resetCalculator() { document.getElementById('foodName').value = ''; document.getElementById('calories').value = ''; document.getElementById('saturatedFat').value = ''; document.getElementById('sugar').value = ''; document.getElementById('sodium').value = ''; document.getElementById('resultFoodName').textContent = ''; document.getElementById('momentumPointsResult').textContent = '0'; document.getElementById('caloriesFactorResult').textContent = '0'; document.getElementById('saturatedFatFactorResult').textContent = '0'; document.getElementById('sugarFactorResult').textContent = '0'; document.getElementById('sodiumFactorResult').textContent = '0'; document.getElementById('tableCalories').textContent = '0'; document.getElementById('tableSatFat').textContent = '0'; document.getElementById('tableSugar').textContent = '0'; document.getElementById('tableSodium').textContent = '0'; document.getElementById('tableCaloriesPoints').textContent = '0'; document.getElementById('tableSatFatPoints').textContent = '0'; document.getElementById('tableSugarPoints').textContent = '0'; document.getElementById('tableSodiumPoints').textContent = '0'; document.getElementById('tableTotalPoints').textContent = '0'; document.getElementById('resultsContainer').style.display = 'none'; clearErrors(); // Reset chart data to default updateChart([0, 0, 0, 0], ['Calories', 'Saturated Fat', 'Sugar', 'Sodium']); } function copyResults() { var foodName = document.getElementById('resultFoodName').textContent || 'N/A'; var mainResult = document.getElementById('momentumPointsResult').textContent; var caloriesFactor = document.getElementById('caloriesFactorResult').textContent; var saturatedFatFactor = document.getElementById('saturatedFatFactorResult').textContent; var sugarFactor = document.getElementById('sugarFactorResult').textContent; var sodiumFactor = document.getElementById('sodiumFactorResult').textContent; var tableCalories = document.getElementById('tableCalories').textContent; var tableSatFat = document.getElementById('tableSatFat').textContent; var tableSugar = document.getElementById('tableSugar').textContent; var tableSodium = document.getElementById('tableSodium').textContent; var assumptions = [ "Assumptions:", "Food Item: " + foodName.replace(" Momentum Points", ""), "Calories: " + tableCalories, "Saturated Fat (g): " + tableSatFat, "Sugar (g): " + tableSugar, "Sodium (mg): " + tableSodium ].join("\n"); var resultsText = [ "Weight Watchers Momentum Points Calculation:", "Food Item: " + (document.getElementById('foodName').value.trim() || "Not Specified"), "Total Momentum Points: " + mainResult, "\nBreakdown:", "Calories Contribution: " + caloriesFactor, "Saturated Fat Contribution: " + saturatedFatFactor, "Sugar Contribution: " + sugarFactor, "Sodium Contribution: " + sodiumFactor, "\n" + assumptions ].join("\n"); // Use navigator.clipboard for modern browsers, fallback to prompt/execCommand if (navigator.clipboard && navigator.clipboard.writeText) { navigator.clipboard.writeText(resultsText).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy: ', err); fallbackCopyTextToClipboard(resultsText); }); } else { fallbackCopyTextToClipboard(resultsText); } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; textArea.style.position="fixed"; textArea.style.left="-9999px"; textArea.style.top="-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Copied!' : 'Copy failed!'; alert(msg); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Copy failed. Please copy manually.'); } document.body.removeChild(textArea); } function updateChart(data, labels) { var ctx = document.getElementById('pointsBreakdownChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } // Prepare datasets for the chart var datasets = [{ label: 'Points Contribution', data: data, backgroundColor: [ 'rgba(255, 99, 132, 0.6)', // Calories 'rgba(54, 162, 235, 0.6)', // Saturated Fat 'rgba(255, 206, 86, 0.6)', // Sugar 'rgba(75, 192, 192, 0.6)' // Sodium ], borderColor: [ 'rgba(255, 99, 132, 1)', 'rgba(54, 162, 235, 1)', 'rgba(255, 206, 86, 1)', 'rgba(75, 192, 192, 1)' ], borderWidth: 1 }]; chartInstance = new Chart(ctx, { type: 'bar', // Use bar chart for clear comparison data: { labels: labels, datasets: datasets }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Points' } } }, plugins: { legend: { display: false // Hide legend as labels are on the axis }, title: { display: true, text: 'Contribution of Nutrients to Total Momentum Points' } } } }); } // Initial chart setup with zero data document.addEventListener('DOMContentLoaded', function() { updateChart([0, 0, 0, 0], ['Calories', 'Saturated Fat', 'Sugar', 'Sodium']); // Add event listeners for real-time updates if desired, though button is sufficient per req. var inputs = document.querySelectorAll('.loan-calc-container input'); inputs.forEach(function(input) { input.addEventListener('input', function() { // Optional: calculate on input change, or rely on button click // calculateMomentumPoints(); }); }); }); // Mock Chart.js for environments where it might not be loaded yet, // but in a production setup, you'd include Chart.js library. // For this self-contained HTML, we assume Chart.js is available or polyfill it. if (typeof Chart === 'undefined') { window.Chart = function(ctx, config) { console.warn("Chart.js library not loaded. Using mock Chart object."); this.ctx = ctx; this.config = config; this.destroy = function() { console.log("Mock destroy called"); }; console.log("Mock Chart created with config:", config); }; window.Chart.defaults = { global: {} }; // Basic polyfill }

Leave a Comment