Weight Watcher Calculator 2024

Weight Watcher Calculator 2024 – Your Smart Weight Loss Tool :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –light-gray: #e9ecef; –white: #fff; –border-radius: 8px; –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; } .container { width: 100%; max-width: 960px; margin: 20px auto; padding: 20px; background-color: var(–white); border-radius: var(–border-radius); box-shadow: var(–shadow); } h1, h2, h3 { color: var(–primary-color); text-align: center; } h1 { font-size: 2.5em; margin-bottom: 10px; } h2 { font-size: 1.8em; margin-top: 30px; margin-bottom: 15px; border-bottom: 2px solid var(–primary-color); padding-bottom: 5px; } h3 { font-size: 1.4em; margin-top: 20px; margin-bottom: 10px; } .calculator-section { background-color: var(–white); padding: 30px; border-radius: var(–border-radius); box-shadow: var(–shadow); margin-bottom: 30px; } .loan-calc-container { display: flex; flex-direction: column; gap: 15px; } .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 select { padding: 10px; border: 1px solid var(–light-gray); border-radius: var(–border-radius); font-size: 1em; width: 100%; box-sizing: border-box; } .input-group input[type="number"]: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; } .error-message { color: #dc3545; font-size: 0.8em; margin-top: 5px; display: none; /* Hidden by default */ } .button-group { display: flex; gap: 10px; margin-top: 20px; justify-content: center; flex-wrap: wrap; } button { padding: 12px 25px; border: none; border-radius: var(–border-radius); cursor: pointer; font-size: 1em; font-weight: bold; transition: background-color 0.3s ease, transform 0.2s ease; } button.primary { background-color: var(–primary-color); color: var(–white); } button.primary:hover { background-color: #003366; transform: translateY(-2px); } button.secondary { background-color: var(–light-gray); color: var(–primary-color); } button.secondary:hover { background-color: #d3d9e0; transform: translateY(-2px); } #results { margin-top: 30px; padding: 25px; background-color: var(–primary-color); color: var(–white); border-radius: var(–border-radius); box-shadow: var(–shadow); text-align: center; } #results h3 { color: var(–white); margin-bottom: 15px; } .main-result { font-size: 2.2em; font-weight: bold; margin-bottom: 10px; display: block; } .intermediate-results div { margin-bottom: 8px; font-size: 1.1em; } .intermediate-results span { font-weight: bold; } .formula-explanation { font-size: 0.9em; margin-top: 15px; opacity: 0.8; } .chart-container { margin-top: 30px; padding: 20px; background-color: var(–white); border-radius: var(–border-radius); box-shadow: var(–shadow); } canvas { width: 100% !important; height: auto !important; display: block; margin: 0 auto; } .chart-caption { text-align: center; font-size: 0.9em; color: #6c757d; margin-top: 10px; } table { width: 100%; border-collapse: collapse; margin-top: 20px; box-shadow: var(–shadow); } th, td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(–light-gray); } thead { background-color: var(–primary-color); color: var(–white); } th { font-weight: bold; } tbody tr:nth-child(even) { background-color: #f2f2f2; } tbody tr:hover { background-color: #e9ecef; } .article-content { margin-top: 40px; background-color: var(–white); padding: 30px; border-radius: var(–border-radius); box-shadow: var(–shadow); } .article-content p, .article-content ul, .article-content ol { margin-bottom: 15px; } .article-content ul, .article-content ol { padding-left: 25px; } .article-content li { margin-bottom: 8px; } .article-content a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .article-content a:hover { text-decoration: underline; } .faq-item { margin-bottom: 15px; border-left: 3px solid var(–primary-color); padding-left: 15px; } .faq-item strong { display: block; color: var(–primary-color); margin-bottom: 5px; } .related-tools ul { list-style: none; padding: 0; } .related-tools li { margin-bottom: 10px; } .related-tools a { font-weight: bold; } .related-tools span { font-size: 0.9em; color: #6c757d; display: block; margin-top: 3px; } /* Responsive adjustments */ @media (max-width: 768px) { h1 { font-size: 2em; } h2 { font-size: 1.5em; } .container { padding: 15px; } button { width: 100%; } .button-group { flex-direction: column; } }

Weight Watcher Calculator 2024

Your comprehensive tool for estimating daily points and tracking weight loss progress.

Weight Watcher Points Calculator

Enter your current weight in kilograms.
Enter your desired weight in kilograms.
Enter your height in centimeters.
Enter your age in years.
Female Male Select your gender.
Sedentary (little to no exercise) Lightly Active (light exercise/sports 1-3 days/week) Moderately Active (moderate exercise/sports 3-5 days/week) Very Active (hard exercise/sports 6-7 days a week) Extra Active (very hard exercise/sports & physical job) Choose your typical weekly activity level.

Your Weight Watcher Results

Estimated Daily Points:
Weight to Lose:
Estimated Weekly Goal:
Formula: Daily Points = ( (10 * Weight_kg) + (6.25 * Height_cm) – (5 * Age) + Gender_Factor ) * Activity_Factor Gender Factor: -161 for Female, +5 for Male. Activity Factor: Varies based on activity level (e.g., 1.2 for Sedentary, 1.375 for Lightly Active, etc.). Weekly Goal is a target reduction, not a direct calculation from points.

Weight Loss Projection

Projected weight loss over 12 weeks based on estimated daily points.

Weight Loss Progress Table

Week Starting Weight (kg) Points Consumed Estimated Weight (kg)

What is the Weight Watcher Calculator 2024?

The Weight Watcher Calculator 2024 is a sophisticated online tool designed to help individuals estimate their personalized daily points allowance within the Weight Watchers (WW) program for the current year. WW uses a points system to guide healthier food choices, encouraging users to consume nutrient-dense, lower-calorie foods while moderating higher-calorie options. This calculator simplifies the process of determining a starting point for your daily points, taking into account key personal metrics.

This calculator is ideal for:

  • New members joining the WW program in 2024.
  • Existing members looking to re-evaluate their points based on changes in personal data.
  • Individuals curious about how the WW points system might apply to them.
  • Anyone seeking a structured approach to weight management.

Common misconceptions about such calculators include believing they provide a definitive, unchanging number of points or that they replace the need for understanding WW's core principles of healthy eating and lifestyle. The 2024 calculator provides an *estimate* based on a common formula, and individual needs may vary. Always consult official WW resources or a healthcare professional for personalized advice.

Weight Watcher Points Calculator Formula and Mathematical Explanation

The core of the Weight Watcher Calculator 2024 relies on a modified version of the Mifflin-St Jeor equation, often adapted to estimate daily points. This formula aims to approximate your Basal Metabolic Rate (BMR) and then adjusts it based on activity level to estimate your Total Daily Energy Expenditure (TDEE). The WW program then translates this into a points system.

The general formula used for estimating daily points is:

Daily Points = ( (10 * Weight_kg) + (6.25 * Height_cm) – (5 * Age) + Gender_Factor ) * Activity_Factor

Let's break down the variables:

Variable Meaning Unit Typical Range / Values
Weight_kg Current body weight Kilograms (kg) 1 – 500+
Height_cm Body height Centimeters (cm) 50 – 250
Age Age in years Years 1 – 120
Gender_Factor Adjustment based on biological sex Points -161 (Female), +5 (Male)
Activity_Factor Multiplier based on physical activity Multiplier 1.2 (Sedentary) to 1.9 (Extra Active)
Daily Points Estimated daily points allowance Points Varies significantly
Weight to Lose Difference between current and target weight Kilograms (kg) 0 – 100+
Weekly Goal Target weight reduction per week (often 0.5-1kg) Kilograms (kg) 0.5 – 1.0 (typical target)

The calculation first determines a baseline metabolic rate adjusted for gender. This baseline is then multiplied by an activity factor to estimate the total calories burned daily. The WW program translates this energy expenditure into a points system, where foods are assigned points based on their nutritional content (primarily calories, saturated fat, sugar, and protein).

Practical Examples (Real-World Use Cases)

Let's illustrate with two distinct scenarios using the Weight Watcher Calculator 2024:

Example 1: Sarah, a Moderately Active Young Woman

  • Current Weight: 75 kg
  • Target Weight: 65 kg
  • Height: 168 cm
  • Age: 28
  • Gender: Female
  • Activity Level: Moderately Active

Calculation Steps:

  1. Gender Factor: -161 (Female)
  2. Activity Factor: 1.55 (Moderately Active)
  3. Baseline Calculation: (10 * 75) + (6.25 * 168) – (5 * 28) + (-161) = 750 + 1050 – 140 – 161 = 1499
  4. Daily Points: 1499 * 1.55 = 2323.45 (This raw number is then typically scaled by WW's internal algorithm to a points value, often around 23-30 points depending on the specific WW plan version). For simplicity in this calculator, we'll use a scaled version. Let's assume a simplified WW point conversion yields approximately 28 Daily Points.
  5. Weight to Lose: 75 kg – 65 kg = 10 kg
  6. Estimated Weekly Goal: 0.7 kg

Interpretation: Sarah is estimated to need around 28 daily points. Losing 10 kg is her goal, and aiming for a sustainable 0.7 kg loss per week is a healthy target.

Example 2: Mark, a Sedentary Middle-Aged Man

  • Current Weight: 95 kg
  • Target Weight: 80 kg
  • Height: 180 cm
  • Age: 45
  • Gender: Male
  • Activity Level: Sedentary

Calculation Steps:

  1. Gender Factor: +5 (Male)
  2. Activity Factor: 1.2 (Sedentary)
  3. Baseline Calculation: (10 * 95) + (6.25 * 180) – (5 * 45) + 5 = 950 + 1125 – 225 + 5 = 1855
  4. Daily Points: 1855 * 1.2 = 2226. This raw number, when converted by WW's system, might translate to approximately 25 Daily Points.
  5. Weight to Lose: 95 kg – 80 kg = 15 kg
  6. Estimated Weekly Goal: 0.5 kg

Interpretation: Mark, due to his higher weight and sedentary lifestyle, is estimated to have a slightly lower point allowance (around 25 points). His goal is to lose 15 kg, and a 0.5 kg weekly loss is a realistic and sustainable objective.

How to Use This Weight Watcher Calculator 2024

Using the Weight Watcher Calculator 2024 is straightforward. Follow these steps to get your personalized results:

  1. Enter Your Details: Input your current weight (in kg), target weight (in kg), height (in cm), age (in years), select your gender, and choose your typical activity level from the dropdown menus.
  2. Calculate: Click the "Calculate Points" button.
  3. View Results: The calculator will display your estimated daily points allowance, the total weight you aim to lose, and a suggested weekly weight loss goal.
  4. Understand the Formula: Review the "Formula Explanation" section to see how the results were derived. Remember, this is an estimate based on common formulas.
  5. Analyze the Projection: Examine the weight loss projection chart and the progress table to visualize your potential journey over several weeks.
  6. Reset or Copy: Use the "Reset" button to clear the fields and start over. Use the "Copy Results" button to save your calculated data.

Reading Your Results:

  • Estimated Daily Points: This is your starting guideline for daily food consumption within the WW program.
  • Weight to Lose: The difference between your current and target weight, indicating the total amount of weight you aim to shed.
  • Estimated Weekly Goal: A healthy and sustainable rate of weight loss, typically between 0.5 kg and 1 kg per week.

Decision-Making Guidance: Use these results as a starting point. Adjust your food choices to fit within your daily points, focusing on nutritious options. Monitor your progress and consult official WW materials or a health professional if you have specific concerns or need to adjust your plan.

Key Factors That Affect Weight Watcher Results

While the Weight Watcher Calculator 2024 provides a valuable estimate, several real-world factors can influence your actual results and journey:

  1. Metabolic Rate Variations: Individual metabolisms differ. Factors like genetics, muscle mass (which burns more calories than fat), and hormonal balance can affect how many calories your body burns at rest, potentially deviating from the formula's estimate.
  2. Accuracy of Input Data: The calculator's output is only as good as the input. Inaccurate measurements of weight, height, or an over/underestimation of activity level will lead to less precise results.
  3. Dietary Adherence and Food Choices: Consistently staying within your points budget is crucial. The *quality* of food choices matters too; prioritizing lean proteins, fruits, and vegetables over highly processed, low-nutrient foods can improve satiety and overall health, even within the same point value.
  4. Exercise Consistency and Intensity: While the calculator uses a general activity level, the actual type, duration, and intensity of your workouts significantly impact calorie expenditure. More frequent or intense exercise may warrant adjustments or lead to faster progress.
  5. Sleep Quality and Stress Levels: Poor sleep and high stress can negatively affect hormones that regulate appetite (like ghrelin and leptin), potentially increasing hunger and cravings, making it harder to stick to a points plan.
  6. Hydration: Adequate water intake is essential for metabolism and can help manage hunger. Dehydration can sometimes be mistaken for hunger.
  7. Medical Conditions and Medications: Certain health conditions (e.g., thyroid issues) and medications can influence metabolism and weight, requiring personalized adjustments beyond standard calculations.
  8. Water Retention: Fluctuations in weight due to water retention (influenced by sodium intake, hormonal cycles, etc.) can temporarily mask fat loss on the scale, even if the points plan is being followed correctly.

Frequently Asked Questions (FAQ)

Q1: Is this calculator the official Weight Watchers (WW) points calculator?

A: This calculator uses a widely accepted formula for estimating energy needs, adapted for the WW points concept. It is not an official tool provided by WW International, Inc. For official points values and program guidance, please refer to WW's official resources.

Q2: How accurate are the estimated daily points?

A: The estimated points are a good starting point based on general formulas. Individual metabolic rates and lifestyle factors can cause variations. WW's official system may have proprietary adjustments.

Q3: What if my target weight is higher than my current weight?

A: This calculator is designed for weight loss. If your goal is weight gain, the approach and calculations would differ significantly. Please consult a healthcare professional for safe weight gain strategies.

Q4: Can I eat more points if I exercise a lot?

A: The calculator adjusts for general activity levels. WW's program often provides additional "activity points" earned through exercise, which can be used flexibly. Check your WW plan details for specifics on earning and using activity points.

Q5: What does the "Weekly Goal" mean?

A: The "Estimated Weekly Goal" suggests a healthy and sustainable rate of weight loss, typically 0.5 to 1 kg per week. Achieving this requires consistent adherence to your daily points and potentially increased physical activity.

Q6: Should I use the calculator's points or the points given by my WW coach?

A: Always prioritize guidance from your WW coach or the official WW app. This calculator is a supplementary tool for understanding the underlying principles.

Q7: How often should I update my details in the calculator?

A: Update your details whenever significant changes occur, such as reaching your target weight, a major change in activity level, or after a significant period of time has passed and your weight has changed.

Q8: Does the calculator account for different WW plans (e.g., PersonalPoints)?

A: This calculator uses a foundational formula. Modern WW plans like PersonalPoints incorporate individualized factors beyond basic metrics. This tool provides a general estimate, not a plan-specific calculation.

Related Tools and Internal Resources

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var currentWeightInput = document.getElementById("currentWeight"); var targetWeightInput = document.getElementById("targetWeight"); var heightCmInput = document.getElementById("heightCm"); var ageInput = document.getElementById("age"); var genderSelect = document.getElementById("gender"); var activityLevelSelect = document.getElementById("activityLevel"); var mainResultSpan = document.getElementById("mainResult"); var dailyPointsSpan = document.getElementById("dailyPoints"); var weightToLoseSpan = document.getElementById("weightToLose"); var weeklyGoalSpan = document.getElementById("weeklyGoal"); var currentWeightError = document.getElementById("currentWeightError"); var targetWeightError = document.getElementById("targetWeightError"); var heightCmError = document.getElementById("heightCmError"); var ageError = document.getElementById("ageError"); var chart = null; var chartContext = null; function validateInput(inputElement, errorElement, minValue, maxValue, fieldName) { var value = parseFloat(inputElement.value); var errorMsg = ""; if (isNaN(value)) { errorMsg = fieldName + " must be a number."; } else if (value maxValue) { errorMsg = fieldName + " cannot be greater than " + maxValue + "."; } errorElement.textContent = errorMsg; errorElement.style.display = errorMsg ? "block" : "none"; return !errorMsg; } function calculatePoints() { // Clear previous errors currentWeightError.textContent = ""; currentWeightError.style.display = "none"; targetWeightError.textContent = ""; targetWeightError.style.display = "none"; heightCmError.textContent = ""; heightCmError.style.display = "none"; ageError.textContent = ""; ageError.style.display = "none"; var currentWeight = parseFloat(currentWeightInput.value); var targetWeight = parseFloat(targetWeightInput.value); var heightCm = parseFloat(heightCmInput.value); var age = parseInt(ageInput.value); var gender = genderSelect.value; var activityLevel = activityLevelSelect.value; var isValid = true; if (!validateInput(currentWeightInput, currentWeightError, 0, undefined, "Current Weight")) isValid = false; if (!validateInput(targetWeightInput, targetWeightError, 0, undefined, "Target Weight")) isValid = false; if (!validateInput(heightCmInput, heightCmError, 0, undefined, "Height")) isValid = false; if (!validateInput(ageInput, ageError, 1, undefined, "Age")) isValid = false; if (!isValid) { mainResultSpan.textContent = "–"; dailyPointsSpan.textContent = "–"; weightToLoseSpan.textContent = "–"; weeklyGoalSpan.textContent = "–"; updateChart([], []); // Clear chart return; } var genderFactor = (gender === "male") ? 5 : -161; var activityFactor; switch (activityLevel) { case "sedentary": activityFactor = 1.2; break; case "lightly_active": activityFactor = 1.375; break; case "moderately_active": activityFactor = 1.55; break; case "very_active": activityFactor = 1.725; break; case "extra_active": activityFactor = 1.9; break; default: activityFactor = 1.2; // Default to sedentary } // Simplified calculation for points, as WW's exact conversion is proprietary // This formula estimates TDEE, which WW uses as a basis. var estimatedTDEE = ((10 * currentWeight) + (6.25 * heightCm) – (5 * age) + genderFactor) * activityFactor; // A common simplification is to relate TDEE to points. // WW points are typically around 4-10 kcal per point. // Let's assume a baseline of ~25 points for a moderately active female, and scale from there. // This is a heuristic and not the official WW calculation. var estimatedDailyPoints = 25; // Base points for a reference person var referenceTDEE = ((10 * 70) + (6.25 * 165) – (5 * 30) – 161) * 1.55; // Reference: 70kg, 165cm, 30yo, Female, Mod Active if (referenceTDEE > 0) { estimatedDailyPoints = Math.round((estimatedTDEE / referenceTDEE) * 25); } // Ensure points are within a reasonable range, e.g., 15-50 estimatedDailyPoints = Math.max(15, Math.min(50, estimatedDailyPoints)); var weightToLose = currentWeight – targetWeight; var weeklyGoal = 0.5; // Default healthy weekly goal if (weightToLose 1.0) { weeklyGoal = 1.0; // Aim for up to 1kg if more than 1kg to lose } mainResultSpan.textContent = estimatedDailyPoints + " Points"; dailyPointsSpan.textContent = estimatedDailyPoints; weightToLoseSpan.textContent = weightToLose.toFixed(1) + " kg"; weeklyGoalSpan.textContent = weeklyGoal.toFixed(1) + " kg/week"; updateProgressTable(currentWeight, targetWeight, estimatedDailyPoints, weightToLose); updateChart(currentWeight, targetWeight, weightToLose, weeklyGoal); } function updateProgressTable(currentWeight, targetWeight, dailyPoints, weightToLose) { var tableBody = document.querySelector("#progressTable tbody"); tableBody.innerHTML = ""; // Clear existing rows var weeks = 12; // Project for 12 weeks var weeklyLossRate = 0.7; // Average weekly loss rate for projection for (var i = 0; i < weeks; i++) { var weekNum = i + 1; var startingWeightForWeek = currentWeight – (i * weeklyLossRate); if (startingWeightForWeek < targetWeight) { startingWeightForWeek = targetWeight; // Don't go below target } var estimatedWeightAtEndOfWeek = startingWeightForWeek – weeklyLossRate; if (estimatedWeightAtEndOfWeek < targetWeight) { estimatedWeightAtEndOfWeek = targetWeight; } var row = tableBody.insertRow(); row.insertCell(0).textContent = weekNum; row.insertCell(1).textContent = startingWeightForWeek.toFixed(1); row.insertCell(2).textContent = dailyPoints; // Assuming points consumed daily row.insertCell(3).textContent = estimatedWeightAtEndOfWeek.toFixed(1); } } function updateChart(currentWeight, targetWeight, weightToLose, weeklyGoal) { var canvas = document.getElementById('weightLossChart'); if (!canvas) return; if (chart) { chart.destroy(); // Destroy previous chart instance } chartContext = canvas.getContext('2d'); var labels = []; var currentWeightData = []; var targetWeightData = []; var weeksToProject = 12; var projectedWeight = currentWeight; var projectedLossPerWeek = weeklyGoal; // Use the calculated weekly goal for (var i = 0; i targetWeight) { projectedWeight -= projectedLossPerWeek; if (projectedWeight < targetWeight) { projectedWeight = targetWeight; } } } chart = new Chart(chartContext, { type: 'line', data: { labels: labels, datasets: [{ label: 'Projected Weight (kg)', data: currentWeightData, borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: true, tension: 0.1 }, { label: 'Target Weight (kg)', data: targetWeightData, borderColor: 'var(–success-color)', borderDash: [5, 5], backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: false, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: false, title: { display: true, text: 'Weight (kg)' } }, x: { title: { display: true, text: 'Timeframe' } } }, plugins: { legend: { position: 'top', }, title: { display: true, text: 'Weight Loss Projection Over 12 Weeks' } } } }); } function resetCalculator() { currentWeightInput.value = "70"; targetWeightInput.value = "60"; heightCmInput.value = "165"; ageInput.value = "30"; genderSelect.value = "female"; activityLevelSelect.value = "moderately_active"; // Clear errors currentWeightError.textContent = ""; currentWeightError.style.display = "none"; targetWeightError.textContent = ""; targetWeightError.style.display = "none"; heightCmError.textContent = ""; heightCmError.style.display = "none"; ageError.textContent = ""; ageError.style.display = "none"; // Reset results display mainResultSpan.textContent = "–"; dailyPointsSpan.textContent = "–"; weightToLoseSpan.textContent = "–"; weeklyGoalSpan.textContent = "–"; // Clear table var tableBody = document.querySelector("#progressTable tbody"); tableBody.innerHTML = ""; // Clear chart if (chart) { chart.destroy(); chart = null; } // Optionally re-initialize chart with default empty state or call calculatePoints() calculatePoints(); // Recalculate with default values } function copyResults() { var mainResult = mainResultSpan.textContent; var dailyPoints = dailyPointsSpan.textContent; var weightToLose = weightToLoseSpan.textContent; var weeklyGoal = weeklyGoalSpan.textContent; var assumptions = "Assumptions:\n"; assumptions += "- Current Weight: " + currentWeightInput.value + " kg\n"; assumptions += "- Target Weight: " + targetWeightInput.value + " kg\n"; assumptions += "- Height: " + heightCmInput.value + " cm\n"; assumptions += "- Age: " + ageInput.value + "\n"; assumptions += "- Gender: " + genderSelect.options[genderSelect.selectedIndex].text + "\n"; assumptions += "- Activity Level: " + activityLevelSelect.options[activityLevelSelect.selectedIndex].text + "\n"; var textToCopy = "Weight Watcher Calculator 2024 Results:\n\n"; textToCopy += "Primary Result: " + mainResult + "\n"; textToCopy += "Estimated Daily Points: " + dailyPoints + "\n"; textToCopy += "Weight to Lose: " + weightToLose + "\n"; textToCopy += "Estimated Weekly Goal: " + weeklyGoal + "\n\n"; textToCopy += assumptions; // Use navigator.clipboard for modern browsers if (navigator.clipboard && navigator.clipboard.writeText) { navigator.clipboard.writeText(textToCopy).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy text: ', err); fallbackCopyTextToClipboard(textToCopy); }); } else { fallbackCopyTextToClipboard(textToCopy); } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; textArea.style.position = "fixed"; // Avoid scrolling to bottom 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 ? 'successful' : 'unsuccessful'; alert('Results copied to clipboard! (' + msg + ')'); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Failed to copy results. Please copy manually.'); } document.body.removeChild(textArea); } // Initial calculation on page load document.addEventListener('DOMContentLoaded', function() { // Load Chart.js library dynamically if not already present if (typeof Chart === 'undefined') { var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js@3.7.0/dist/chart.min.js'; // Use a specific version script.onload = function() { calculatePoints(); // Calculate after chart library is loaded }; script.onerror = function() { console.error("Failed to load Chart.js library."); alert("Chart functionality requires the Chart.js library. Please ensure you have an internet connection or the library is available."); }; document.head.appendChild(script); } else { calculatePoints(); // Calculate immediately if Chart.js is already loaded } });

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