Get an instant estimate for your current device's trade-in value with our free Verizon trade in calculator. See how much you can save on your next upgrade!
Device Trade-In Value Estimator
Smartphone
Tablet
Smartwatch
Select the type of device you are trading in.
Apple
Samsung
Google
Other
Choose the brand of your device.
iPhone 14 Pro
iPhone 14
iPhone 13
Galaxy S23 Ultra
Galaxy S23
Pixel 7 Pro
Pixel 7
Other Smartphone
Select the specific model of your device.
Enter the internal storage size of your device in Gigabytes (e.g., 64, 128, 256).
Excellent (No Scratches, Fully Functional)
Good (Minor Scratches, Fully Functional)
Fair (Visible Scratches/Dents, Fully Functional)
Poor (Significant Damage, Functionality May Be Impaired)
Rate the physical condition and working order of your device.
Perfect (No cracks, no deep scratches)
Minor Scratches (Not visible when screen is on)
Visible Scratches (Slightly noticeable when screen is on)
Cracked or Damaged
Describe the condition of the device's screen.
Estimated Trade-In Value
$0
Key Details:
Model: N/A
Storage: N/A
Condition: N/A
Screen: N/A
This value is an estimate based on typical Verizon trade-in programs for devices in the specified condition. Actual offers may vary.
Trade-In Value by Condition
Comparison of estimated trade-in values for the selected device across different condition levels.
Estimated Values for Selected Device
Device Model
Storage
Condition
Estimated Value
N/A
N/A
N/A
$0
What is a Verizon Trade-In?
A Verizon trade-in is a program offered by Verizon Wireless that allows customers to exchange their old, eligible smartphones, tablets, or smartwatches for credit towards the purchase of a new device or to pay off their current device balance. It's a popular way to reduce the upfront cost of a new phone or to make monthly payments more affordable. When you trade in a device, Verizon assesses its condition and model to determine its market value, which is then applied as a credit to your account. This credit can significantly lower the cost of upgrading to the latest technology, making it an attractive option for many consumers looking to stay current with mobile devices.
The Verizon trade in calculator is an essential tool for anyone considering this option. It provides an estimated value for your current device *before* you commit to a trade. This transparency helps you budget effectively and understand the potential savings. Factors like the device's age, model, storage capacity, and physical condition (including screen condition) all play a crucial role in determining the final trade-in value. By using a Verizon trade in calculator, you can compare estimated values across different devices and conditions, helping you make an informed decision about when and how to trade in your old gadget.
Understanding the nuances of the Verizon trade in process is key. It's not just about handing over an old phone; it's about leveraging its residual value to your financial advantage. Many users overlook the potential value locked in their older devices, especially if they've been well-maintained. The ability to get an estimate upfront through a reliable Verizon trade in calculator empowers consumers, preventing surprises and ensuring they get the best possible deal. This proactive approach ensures that your upgrade is not only technologically satisfying but also financially sound.
Verizon Trade-In Formula and Mathematical Explanation
While Verizon's exact trade-in valuation formula is proprietary and can fluctuate based on market demand and promotional periods, we can outline the key components that generally influence the estimated value. A typical Verizon trade in valuation considers several factors:
Device Model & Age: Newer, high-demand models (like the latest iPhones or Samsung Galaxy devices) typically retain higher values than older or less popular models.
Storage Capacity: Devices with larger internal storage capacities (e.g., 256GB or 512GB) are generally worth more than those with smaller capacities (e.g., 64GB or 128GB).
Device Condition: This is a critical factor. The value is significantly impacted by the physical state of the device. Verizon categorizes condition into tiers (e.g., Excellent, Good, Fair, Poor).
Screen Condition: The screen is one of the most crucial and expensive components. A cracked or heavily scratched screen drastically reduces the trade-in value, often making the device ineligible for certain promotions or resulting in a significantly lower offer.
Functionality: The device must be fully functional (power on, display works, no major component failures) to qualify for most trade-in programs.
Battery Health: While not always explicitly stated, good battery health can contribute to a better condition rating.
Unlocking Status: For some trade-ins, the device may need to be unlocked from its previous carrier.
The mathematical logic behind our Verizon trade in calculator aims to simulate this valuation process. It uses a base value assigned to each model and storage combination, then applies a multiplier based on the selected condition and screen status. For instance, an "Excellent" condition might retain 90-100% of the base value, "Good" might get 70-85%, "Fair" 40-60%, and "Poor" might get 10-30% or even be deemed ineligible. Screen damage, particularly cracks, often incurs a substantial deduction, potentially reducing the value by 50% or more, or even disqualifying the device from receiving any credit.
The formula can be conceptually represented as:
Estimated Value = (Base Value per Model/Storage) * ConditionMultiplier * ScreenMultiplier
Where ConditionMultiplier and ScreenMultiplier are values between 0 and 1, adjusted based on the specific input provided. Our calculator provides these estimations to give you a clear picture of what you might expect from your Verizon trade in.
Sarah has an iPhone 13 Pro with 256GB of storage. The screen has a few minor scratches, but the phone is in otherwise excellent condition. She uses our calculator and inputs "iPhone 13 Pro," "256GB," "Excellent" condition, and "Minor Scratches" for the screen. The calculator estimates a trade-in value of $550. This helps her realize she can significantly offset the cost of the new iPhone 15 Pro Max, potentially lowering her monthly payments considerably. If she had entered "Cracked" screen, the estimate might drop to $250, prompting her to consider getting the screen repaired first or accepting a lower offer.
Scenario 2: Switching to a Google Pixel
Mark is considering switching from his Samsung Galaxy S22 Ultra (128GB). The phone has some noticeable cosmetic wear but functions perfectly, and the screen is flawless. He inputs these details into the Verizon trade in calculator. It estimates his device at $320. He compares this to the trade-in value for his wife's older Samsung Galaxy S21 (also 128GB, good condition, minor screen scratches), which the calculator estimates at $180. Knowing these figures helps them decide which device offers the better value for their family's upgrade.
Scenario 3: Trading in a Tablet for a New 5G Plan Device
Chen wants to upgrade his cellular plan and is considering trading in his old Samsung Galaxy Tab S7 (128GB). The tablet is in good condition with minor scuffs on the casing but a perfect screen. The calculator estimates its value at $150. This amount, while not enough to cover a brand new high-end phone, could be a substantial credit towards a more budget-friendly device or a new smartwatch, making his overall upgrade plan more feasible.
These examples highlight how the Verizon trade in calculator provides actionable financial insights, empowering users to make informed decisions about their device upgrades and manage their mobile expenses effectively.
How to Use This Verizon Trade-In Calculator
Using our Verizon trade in calculator is straightforward. Follow these simple steps to get your estimated trade-in value:
Select Device Type: Choose whether you are trading in a smartphone, tablet, or smartwatch from the first dropdown menu.
Specify Manufacturer and Model: Select the brand (e.g., Apple, Samsung, Google) and then the specific model of your device from the respective dropdowns. If your exact model isn't listed, choose the closest option or "Other."
Enter Storage Capacity: Input the internal storage size of your device in Gigabytes (GB). Common values include 64, 128, 256, and 512.
Assess Device Condition: Choose the option that best describes the overall physical condition of your device (Excellent, Good, Fair, Poor).
Evaluate Screen Condition: Accurately describe the condition of the device's screen, noting any scratches or cracks.
Calculate Value: Click the "Calculate Value" button. The calculator will instantly display your estimated trade-in credit.
View Intermediate Values & Chart: Examine the breakdown of key details and the chart comparing values across different conditions. The table provides a summary for your specific entry.
Reset or Copy: Use the "Reset" button to clear the fields and start over, or "Copy Results" to save the estimated value and key details.
Remember, this tool provides an estimate. The final value offered by Verizon may differ based on their official inspection and current promotions. For the most accurate information, it's always best to check directly with Verizon or use their official trade-in tool.
Key Factors That Affect Verizon Trade-In Results
Several crucial elements determine the value you'll receive for your device trade-in with Verizon. Understanding these factors can help you maximize your credit:
Device Age and Popularity: As mentioned, newer flagship models from top brands like Apple and Samsung generally command higher trade-in values than older devices. Technology evolves rapidly, and older models quickly depreciate.
Physical Condition (Beyond Screen): Beyond the screen, the overall condition of the device's body matters. Dents, deep scratches, missing buttons, or damaged ports can all lower the value. A device that looks and feels well-cared-for will fetch a better price.
Functional Integrity: Ensure all core functions are working. This includes the camera, speakers, microphone, charging port, Wi-Fi, Bluetooth, and cellular connectivity. If buttons are unresponsive or components are malfunctioning, expect a reduced offer.
Water Damage: Devices showing signs of water or liquid damage are often disqualified from trade-in programs or receive significantly less value. Many devices have liquid damage indicators that technicians check.
Battery Health: While not always a separate input, severely degraded battery performance can impact the device's overall condition rating. A phone that holds a charge well is more desirable.
Manufacturer Promotions: Verizon frequently runs special promotions tied to specific device launches or carrier deals. These can temporarily boost the trade-in value of certain models, sometimes offering even more than the device's inherent market value. Always check for active promotions.
Your Existing Verizon Plan: Sometimes, trade-in offers are tied to specific plan requirements or the purchase of a new device on an installment plan. Ensure your plan is compatible with the offer.
Unlocked Status: While Verizon devices are usually unlocked, if you're trading in a device from another carrier, ensure it meets Verizon's unlocking policy requirements.
By preparing your device accordingly—backing up data, performing a factory reset, ensuring it's clean, and being honest about its condition—you can significantly improve your chances of getting the highest possible credit from your Verizon trade in.
Frequently Asked Questions (FAQ)
What is the difference between the estimated value and the actual Verizon trade-in offer?
Our calculator provides an estimate based on common valuation factors. Verizon's final offer depends on their physical inspection of the device to confirm its condition, functionality, and the presence of any hidden damage. Promotional values can also change daily.
Do I need to unlock my phone before trading it in to Verizon?
If the device you are trading in is currently locked to another carrier, it generally needs to be unlocked to be eligible for trade-in credit. Devices purchased directly from Verizon are typically already unlocked or become eligible after a certain period.
What happens if my device has a cracked screen?
A cracked screen significantly impacts the trade-in value. Many devices with cracked screens may still be eligible for a lower credit amount, while others might be disqualified entirely or only qualify for very minimal value, especially if the device is older.
Can I trade in a device that doesn't turn on?
Generally, devices must power on and be fully functional to be eligible for most trade-in programs. Devices that do not power on usually have little to no trade-in value, though Verizon might have specific programs for recycling damaged electronics.
How is the trade-in credit applied?
Verizon typically applies trade-in credits as monthly bill credits over the term of a new device payment plan (e.g., 24 or 36 months). The credit amount is spread out over this period, reducing your monthly installment payment.
What if I have data on my old phone?
It is crucial to back up all your data (photos, contacts, apps) and then perform a factory reset on your device before trading it in. This erases your personal information and restores the device to its original settings.
Related Tools and Internal Resources
Best Verizon Phone Plans: Compare different Verizon plans to find the one that best suits your needs and budget after your device upgrade.
Smartphone Buying Guide: Learn what to look for when purchasing a new smartphone, including features, specs, and value considerations.
Tablet Comparison Tool: If you're considering a tablet trade-in or purchase, use this tool to compare different tablet models.
Smartwatch Features Explained: Understand the capabilities of various smartwatches to help you choose your next wearable.
How to Backup Your iPhone: A step-by-step guide to ensure your data is safe before trading in an Apple device.
Android Factory Reset Guide: Instructions for clearing your data and resetting Android devices prior to trade-in.
var deviceValues = {
smartphone: {
apple: {
iphone14pro: { baseValue: 550, conditionMultipliers: { excellent: 1.0, good: 0.8, fair: 0.5, poor: 0.2 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.9, visible_scratches: 0.7, cracked: 0.3 } },
iphone14: { baseValue: 450, conditionMultipliers: { excellent: 1.0, good: 0.8, fair: 0.5, poor: 0.2 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.9, visible_scratches: 0.7, cracked: 0.3 } },
iphone13: { baseValue: 350, conditionMultipliers: { excellent: 1.0, good: 0.75, fair: 0.45, poor: 0.15 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.85, visible_scratches: 0.65, cracked: 0.25 } },
other: { baseValue: 200, conditionMultipliers: { excellent: 1.0, good: 0.7, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.8, visible_scratches: 0.6, cracked: 0.2 } }
},
samsung: {
galaxyS23ultra: { baseValue: 500, conditionMultipliers: { excellent: 1.0, good: 0.8, fair: 0.5, poor: 0.2 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.9, visible_scratches: 0.7, cracked: 0.3 } },
galaxyS23: { baseValue: 400, conditionMultipliers: { excellent: 1.0, good: 0.8, fair: 0.5, poor: 0.2 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.9, visible_scratches: 0.7, cracked: 0.3 } },
other: { baseValue: 180, conditionMultipliers: { excellent: 1.0, good: 0.7, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.8, visible_scratches: 0.6, cracked: 0.2 } }
},
google: {
pixel7pro: { baseValue: 420, conditionMultipliers: { excellent: 1.0, good: 0.8, fair: 0.5, poor: 0.2 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.9, visible_scratches: 0.7, cracked: 0.3 } },
pixel7: { baseValue: 320, conditionMultipliers: { excellent: 1.0, good: 0.8, fair: 0.5, poor: 0.2 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.9, visible_scratches: 0.7, cracked: 0.3 } },
other: { baseValue: 160, conditionMultipliers: { excellent: 1.0, good: 0.7, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.8, visible_scratches: 0.6, cracked: 0.2 } }
},
other: { baseValue: 100, conditionMultipliers: { excellent: 1.0, good: 0.7, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.8, visible_scratches: 0.6, cracked: 0.2 } }
},
tablet: {
apple: {
ipadpro: { baseValue: 400, conditionMultipliers: { excellent: 1.0, good: 0.75, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.85, visible_scratches: 0.6, cracked: 0.25 } },
ipadair: { baseValue: 300, conditionMultipliers: { excellent: 1.0, good: 0.7, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.8, visible_scratches: 0.6, cracked: 0.2 } },
other: { baseValue: 150, conditionMultipliers: { excellent: 1.0, good: 0.6, fair: 0.3, poor: 0.05 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.75, visible_scratches: 0.5, cracked: 0.15 } }
},
samsung: {
galaxy_tab_s8: { baseValue: 350, conditionMultipliers: { excellent: 1.0, good: 0.75, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.85, visible_scratches: 0.6, cracked: 0.25 } },
other: { baseValue: 130, conditionMultipliers: { excellent: 1.0, good: 0.6, fair: 0.3, poor: 0.05 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.75, visible_scratches: 0.5, cracked: 0.15 } }
},
other: { baseValue: 100, conditionMultipliers: { excellent: 1.0, good: 0.6, fair: 0.3, poor: 0.05 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.75, visible_scratches: 0.5, cracked: 0.15 } }
},
smartwatch: {
apple: {
aw_series8: { baseValue: 150, conditionMultipliers: { excellent: 1.0, good: 0.7, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.8, visible_scratches: 0.6, cracked: 0.2 } },
aw_se: { baseValue: 100, conditionMultipliers: { excellent: 1.0, good: 0.7, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.8, visible_scratches: 0.6, cracked: 0.2 } },
other: { baseValue: 50, conditionMultipliers: { excellent: 1.0, good: 0.6, fair: 0.3, poor: 0.05 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.7, visible_scratches: 0.5, cracked: 0.15 } }
},
samsung: {
galaxywatch5: { baseValue: 120, conditionMultipliers: { excellent: 1.0, good: 0.7, fair: 0.4, poor: 0.1 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.8, visible_scratches: 0.6, cracked: 0.2 } },
other: { baseValue: 40, conditionMultipliers: { excellent: 1.0, good: 0.6, fair: 0.3, poor: 0.05 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.7, visible_scratches: 0.5, cracked: 0.15 } }
},
other: { baseValue: 30, conditionMultipliers: { excellent: 1.0, good: 0.6, fair: 0.3, poor: 0.05 }, screenMultipliers: { perfect: 1.0, minor_scratches: 0.7, visible_scratches: 0.5, cracked: 0.15 } }
}
};
var chartInstance = null; // Declare chartInstance globally
function getElement(id) {
return document.getElementById(id);
}
function updateForm() {
var deviceType = getElement('deviceType').value;
var deviceMakeSelect = getElement('deviceMake');
var deviceModelSelect = getElement('deviceModel');
// Clear existing options
deviceMakeSelect.innerHTML = ";
deviceModelSelect.innerHTML = ";
var makes = deviceValues[deviceType];
var makesArray = Object.keys(makes);
// Add 'Other' option first if applicable
if (makesArray.includes('other')) {
var otherMakeOption = document.createElement('option');
otherMakeOption.value = 'other';
otherMakeOption.textContent = 'Other';
deviceMakeSelect.appendChild(otherMakeOption);
}
// Add specific makes
makesArray.forEach(function(make) {
if (make !== 'other') {
var option = document.createElement('option');
option.value = make;
option.textContent = make.charAt(0).toUpperCase() + make.slice(1);
deviceMakeSelect.appendChild(option);
}
});
updateModelOptions(); // Update models based on the default selected make
calculateTradeInValue(); // Recalculate if device type changed
}
function updateModelOptions() {
var deviceType = getElement('deviceType').value;
var deviceMake = getElement('deviceMake').value;
var deviceModelSelect = getElement('deviceModel');
deviceModelSelect.innerHTML = "; // Clear existing model options
var models = deviceValues[deviceType] ? deviceValues[deviceType][deviceMake] : null;
if (models) {
var modelsArray = Object.keys(models);
// Add 'Other' model option if available for the selected make/type
if (modelsArray.includes('other')) {
var otherModelOption = document.createElement('option');
otherModelOption.value = 'other';
otherModelOption.textContent = 'Other ' + (deviceType === 'smartphone' ? 'Smartphone' : deviceType.charAt(0).toUpperCase() + deviceType.slice(1));
deviceModelSelect.appendChild(otherModelOption);
}
// Add specific models
modelsArray.forEach(function(modelKey) {
if (modelKey !== 'other') {
var option = document.createElement('option');
option.value = modelKey;
// Format model name for display
var modelName = modelKey.replace(/([A-Z])/g, ' $1').trim(); // Add space before uppercase letters
modelName = modelName.replace(/_/g, ' '); // Replace underscores with spaces
modelName = modelName.replace(/\b\w/g, char => char.toUpperCase()); // Capitalize first letter of each word
option.textContent = modelName;
deviceModelSelect.appendChild(option);
}
});
} else {
// Fallback if device type or make is not found, add a generic 'Other' option
var otherModelOption = document.createElement('option');
otherModelOption.value = 'other';
otherModelOption.textContent = 'Other ' + (deviceType === 'smartphone' ? 'Smartphone' : deviceType.charAt(0).toUpperCase() + deviceType.slice(1));
deviceModelSelect.appendChild(otherModelOption);
}
calculateTradeInValue(); // Recalculate when models change
}
function validateInput(inputId, errorId, minValue, maxValue) {
var input = getElement(inputId);
var errorDisplay = getElement(errorId);
var value = parseFloat(input.value);
var isValid = true;
errorDisplay.textContent = "; // Clear previous error
if (isNaN(value)) {
errorDisplay.textContent = 'Please enter a valid number.';
isValid = false;
} else if (value < 0) {
errorDisplay.textContent = 'Value cannot be negative.';
isValid = false;
} else if (minValue !== undefined && value maxValue) {
errorDisplay.textContent = 'Value is too high.';
isValid = false;
}
input.style.borderColor = isValid ? " : '#dc3545';
return isValid;
}
function calculateTradeInValue() {
var deviceType = getElement('deviceType').value;
var deviceMake = getElement('deviceMake').value;
var deviceModel = getElement('deviceModel').value;
var storageCapacity = parseInt(getElement('storageCapacity').value);
var condition = getElement('condition').value;
var screenCondition = getElement('screenCondition').value;
// Validate inputs
var isStorageValid = validateInput('storageCapacity', 'storageCapacityError', 1);
if (!isStorageValid) {
displayResults(0, 'N/A', 'N/A', 'N/A', 'N/A');
return;
}
var modelData = deviceValues[deviceType] && deviceValues[deviceType][deviceMake] && deviceValues[deviceType][deviceMake][deviceModel];
var estimatedValue = 0;
var modelName = 'N/A';
var storageInfo = 'N/A';
var conditionInfo = 'N/A';
var screenInfo = 'N/A';
if (modelData) {
var baseValue = modelData.baseValue;
var conditionMultiplier = modelData.conditionMultipliers[condition] || 0.5; // Default to 0.5 if condition not found
var screenMultiplier = modelData.screenMultipliers[screenCondition] || 0.5; // Default to 0.5 if screen condition not found
// Adjust multipliers based on storage for smartphones, might need refinement
if (deviceType === 'smartphone') {
if (storageCapacity >= 256) {
// Higher value for larger storage
} else if (storageCapacity < 128) {
// Lower value for smaller storage
conditionMultiplier *= 0.9;
screenMultiplier *= 0.9;
}
}
estimatedValue = baseValue * conditionMultiplier * screenMultiplier;
estimatedValue = Math.max(0, estimatedValue); // Ensure value is not negative
// Get display names
var selectedMake = getElement('deviceMake').options[getElement('deviceMake').selectedIndex].text;
var selectedModel = getElement('deviceModel').options[getElement('deviceModel').selectedIndex].text;
var selectedCondition = getElement('condition').options[getElement('condition').selectedIndex].text;
var selectedScreen = getElement('screenCondition').options[getElement('screenCondition').selectedIndex].text;
modelName = selectedMake + ' ' + selectedModel;
storageInfo = storageCapacity + 'GB';
conditionInfo = selectedCondition;
screenInfo = selectedScreen;
} else {
// Fallback for undefined models or data
estimatedValue = 0;
modelName = 'N/A';
storageInfo = storageCapacity + 'GB';
conditionInfo = 'N/A';
screenInfo = 'N/A';
}
// Format the main result value
var formattedValue = "$" + estimatedValue.toFixed(2);
displayResults(formattedValue, modelName, storageInfo, conditionInfo, screenInfo);
updateChart(deviceType, deviceMake, deviceModel); // Update chart
updateTable(modelName, storageInfo, conditionInfo, formattedValue); // Update table
}
function displayResults(mainResult, model, storage, condition, screen) {
getElement('mainResultValue').textContent = mainResult;
getElement('intermediateModel').textContent = "Model: " + model;
getElement('intermediateStorage').textContent = "Storage: " + storage;
getElement('intermediateCondition').textContent = "Condition: " + condition;
getElement('intermediateScreen').textContent = "Screen: " + screen;
}
function resetForm() {
getElement('deviceType').value = 'smartphone';
getElement('deviceMake').value = 'apple';
getElement('deviceModel').value = 'iphone14pro'; // Reset to a sensible default
getElement('storageCapacity').value = '128';
getElement('condition').value = 'excellent';
getElement('screenCondition').value = 'perfect';
// Clear errors
getElement('storageCapacityError').textContent = '';
getElement('storageCapacity').style.borderColor = '';
updateForm(); // Update selects based on reset values
calculateTradeInValue(); // Recalculate with defaults
}
function copyResults() {
var mainResult = getElement('mainResultValue').textContent;
var model = getElement('intermediateModel').textContent;
var storage = getElement('intermediateStorage').textContent;
var condition = getElement('intermediateCondition').textContent;
var screen = getElement('intermediateScreen').textContent;
var copyText = "Estimated Trade-In Value:\n" + mainResult + "\n\n" +
model + "\n" + storage + "\n" + condition + "\n" + screen + "\n\n" +
"Key Assumptions: Values are estimates and may vary based on Verizon's final inspection and current promotions.";
var textArea = document.createElement("textarea");
textArea.value = copyText;
textArea.style.position = "fixed"; // Avoid scrolling to bottom of page
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
try {
var successful = document.execCommand('copy');
var msg = successful ? 'Results copied!' : 'Copy failed!';
// Optionally provide feedback to the user
console.log(msg);
alert(msg); // Simple alert for user feedback
} catch (err) {
console.log('Fallback: Oops, unable to copy', err);
alert('Copying to clipboard is not supported in this browser.');
}
document.body.removeChild(textArea);
}
function updateChart(deviceType, deviceMake, deviceModel) {
var canvas = getElement('tradeInChart');
var ctx = canvas.getContext('2d');
// Define conditions and their corresponding multipliers for the chart
var conditions = ['excellent', 'good', 'fair', 'poor'];
var conditionLabels = ['Excellent', 'Good', 'Fair', 'Poor'];
var chartData = [];
var modelData = deviceValues[deviceType] && deviceValues[deviceType][deviceMake] && deviceValues[deviceType][deviceMake][deviceModel];
var baseValue = modelData ? modelData.baseValue : 100; // Default base value if model not found
var screenMultiplier = modelData && modelData.screenMultipliers['perfect'] ? modelData.screenMultipliers['perfect'] : 1.0; // Assume perfect screen for comparison
conditions.forEach(function(cond) {
var conditionMultiplier = modelData && modelData.conditionMultipliers[cond] ? modelData.conditionMultipliers[cond] : 0.5;
var estimatedValue = baseValue * conditionMultiplier * screenMultiplier;
chartData.push(Math.max(0, estimatedValue));
});
// Destroy previous chart instance if it exists
if (chartInstance) {
chartInstance.destroy();
}
// Create new chart instance
chartInstance = new Chart(ctx, {
type: 'bar',
data: {
labels: conditionLabels,
datasets: [{
label: 'Estimated Value',
data: chartData,
backgroundColor: 'rgba(0, 74, 153, 0.6)', // Primary color light variant
borderColor: 'rgba(0, 74, 153, 1)',
borderWidth: 1
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
scales: {
y: {
beginAtZero: true,
ticks: {
callback: function(value) {
return '$' + value.toFixed(0);
}
}
}
},
plugins: {
legend: {
display: true,
position: 'top',
},
title: {
display: true,
text: 'Estimated Trade-In Value by Condition'
}
}
}
});
}
function updateTable(model, storage, condition, value) {
var tableBody = getElement('tradeInTableBody');
tableBody.innerHTML = `
${model}
${storage}
${condition}
${value}
`;
}
// Initialize form and calculation on page load
window.onload = function() {
updateForm(); // Populate selects based on initial values
calculateTradeInValue(); // Perform initial calculation
// Initialize chart with default values if possible
var deviceType = getElement('deviceType').value;
var deviceMake = getElement('deviceMake').value;
var deviceModel = getElement('deviceModel').value;
updateChart(deviceType, deviceMake, deviceModel);
};
// Add listener for window resize to maintain chart aspect ratio if needed
window.addEventListener('resize', function() {
if (chartInstance) {
// Chart is responsive by default, but this can be used for more complex resizing logic
}
});
// Basic Chart.js implementation (you would need to include Chart.js library for this to work properly)
// For a pure JS/SVG solution without external libraries, chart rendering would be more complex.
// This example assumes Chart.js is available or provides a placeholder for pure JS chart logic.
// As per instructions, NO external libraries. Implementing a basic SVG or Canvas chart:
function drawBasicChart(canvasId, data, labels, title) {
var canvas = getElement(canvasId);
if (!canvas) return;
var ctx = canvas.getContext('2d');
ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear previous drawing
var width = canvas.width;
var height = canvas.height;
var padding = 40;
var chartAreaWidth = width – 2 * padding;
var chartAreaHeight = height – 2 * padding;
// Find max value for scaling
var maxValue = 0;
for (var i = 0; i maxValue) maxValue = data[i];
}
maxValue = maxValue * 1.1; // Add some buffer
// Draw Title
ctx.fillStyle = '#004a99′;
ctx.font = '18px Segoe UI, Tahoma, Geneva, Verdana, sans-serif';
ctx.textAlign = 'center';
ctx.fillText(title, width / 2, padding / 2);
// Draw Y-axis labels and line
ctx.strokeStyle = '#cccccc';
ctx.lineWidth = 1;
ctx.font = '12px Segoe UI, Tahoma, Geneva, Verdana, sans-serif';
ctx.textAlign = 'right';
var numYLabels = 5;
for (var i = 0; i <= numYLabels; i++) {
var yValue = (maxValue / numYLabels) * i;
var yPos = height – padding – (yValue / maxValue) * chartAreaHeight;
ctx.fillStyle = '#6c757d';
ctx.fillText('$' + yValue.toFixed(0), padding – 10, yPos + 5);
ctx.beginPath();
ctx.moveTo(padding – 5, yPos);
ctx.lineTo(padding, yPos);
ctx.stroke();
}
// Draw X-axis labels and line
ctx.textAlign = 'center';
ctx.fillStyle = '#6c757d';
ctx.beginPath();
ctx.moveTo(padding, height – padding);
ctx.lineTo(width – padding, height – padding);
ctx.stroke();
var barWidth = (chartAreaWidth / labels.length) * 0.7;
var barSpacing = (chartAreaWidth / labels.length) * 0.3;
// Draw bars
ctx.fillStyle = 'rgba(0, 74, 153, 0.6)';
for (var i = 0; i < data.length; i++) {
var barHeight = (data[i] / maxValue) * chartAreaHeight;
var xPos = padding + i * (barWidth + barSpacing) + barSpacing / 2;
var yPos = height – padding – barHeight;
ctx.fillRect(xPos, yPos, barWidth, barHeight);
// Draw labels below bars
ctx.fillStyle = '#333333';
ctx.fillText(labels[i], xPos + barWidth / 2, height – padding + 15);
}
}
// — OVERRIDE CHART INSTANCE FOR PURE JS IMPLEMENTATION —
// Remove or comment out the Chart.js specific code above and uncomment below to use the pure JS chart.
function updateChart(deviceType, deviceMake, deviceModel) {
var canvas = getElement('tradeInChart');
var ctx = canvas.getContext('2d');
var conditions = ['excellent', 'good', 'fair', 'poor'];
var conditionLabels = ['Excellent', 'Good', 'Fair', 'Poor'];
var chartDataValues = [];
var modelData = deviceValues[deviceType] && deviceValues[deviceType][deviceMake] && deviceValues[deviceType][deviceMake][deviceModel];
var baseValue = modelData ? modelData.baseValue : 100;
var screenMultiplier = modelData && modelData.screenMultipliers['perfect'] ? modelData.screenMultipliers['perfect'] : 1.0;
conditions.forEach(function(cond) {
var conditionMultiplier = modelData && modelData.conditionMultipliers[cond] ? modelData.conditionMultipliers[cond] : 0.5;
var estimatedValue = baseValue * conditionMultiplier * screenMultiplier;
chartDataValues.push(Math.max(0, estimatedValue));
});
// Set canvas dimensions dynamically to fill container
var chartContainer = canvas.parentNode;
canvas.width = chartContainer.clientWidth;
canvas.height = 300; // Fixed height, or could be dynamic based on aspect ratio
var title = 'Estimated Trade-In Value by Condition';
drawBasicChart('tradeInChart', chartDataValues, conditionLabels, title);
}
// — END OF PURE JS CHART IMPLEMENTATION —
// Initial setup on load
document.addEventListener('DOMContentLoaded', function() {
updateForm();
calculateTradeInValue();
// Initial chart draw
var deviceType = getElement('deviceType').value;
var deviceMake = getElement('deviceMake').value;
var deviceModel = getElement('deviceModel').value;
updateChart(deviceType, deviceMake, deviceModel);
});