Mar 24, 2025
v.0
Versions
Bugs
None!
Get This App On Your Website
1. Copy the code above with the iframe and link.
2. Paste the code into your website.
3. Resize the iframe to fit your website.
2. Paste the code into your website.
3. Resize the iframe to fit your website.
Javascript, HTML, CSS Code
<html>
<head>
<script type="text/javascript"> window.addEventListener('error', function(event) { var message = JSON.parse(JSON.stringify(event.message)); var source = event.filename; var lineno = event.lineno; var colno = event.colno; var error = event.error; window.parent.postMessage({ type: 'iframeError', details: { message: message, source: source, lineno: lineno, colno: colno, error: error ? error.stack : '' } }, '*'); }); window.addEventListener('unhandledrejection', function(event) { window.parent.postMessage({ type: 'iframePromiseRejection', details: { reason: event.reason } }, '*'); }); </script>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Low-FODMAP Diet Calculator</title>
<meta name="description" content="A user-friendly online calculator to help individuals following a low-FODMAP diet manage IBS symptoms by estimating FODMAP content based on food input.">
<meta name="keywords" content="FODMAP, IBS, diet calculator, low FODMAP, nutrition, health, Monash University, dietary management">
<!-- Libraries -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.min.js" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.6.0/css/fontawesome.min.css" crossorigin="anonymous">
<script type="text/javascript">
try {
// App Javascript Goes Here. Place your entire script content inside the try block for error handling.
const foodDatabase = {
"apple": {fo: 10, name: "Apple"},
"banana": {fo: 8, name: "Banana"},
"carrot": {fo: 3, name: "Carrot"},
"chickpeas": {fo: 25, name: "Chickpeas"},
"milk": {fo: 5, name: "Cow's Milk"},
"honey": {fo: 35, name: "Honey"}
};
let totalFODMAP = 0;
document.addEventListener("DOMContentLoaded", function() {
const foodInput = $('#foodInput');
const qtyInput = $('#qtyInput');
const resultArea = $('#resultArea');
const addButton = $('#addFoodButton');
const calculatedResult = $('#calculatedResult');
addButton.click(function () {
const foodItem = foodInput.val();
let qty = parseFloat(qtyInput.val());
if (!foodDatabase[foodItem]) {
alert('Food item not found.');
return;
}
if (isNaN(qty) || qty <= 0) {
alert('Please enter a valid quantity.');
return;
}
const fCmd = foodDatabase[foodItem].fo;
totalFODMAP += (fCmd * qty);
const resultString = `Added ${qty}g of ${foodDatabase[foodItem].name} FODMAP content: ${fCmd * qty}g`;
resultArea.append(`<div>${resultString}</div>`);
updateOverallResults();
});
function updateOverallResults(){
calculatedResult.text(`Total FODMAP Load: ${totalFODMAP}g`);
const severity = getFODMAPSeverity(totalFODMAP);
calculatedResult.removeClass().addClass(severity.class);
calculatedResult.addClass('result-text');
}
function getFODMAPSeverity(total) {
if (total < 5) return {class: 'text-success'}; // Low
if (total < 15) return {class: 'text-warning'}; // Moderate
return {class: 'text-danger'}; // High
}
$('#clearButton').click(function(){
totalFODMAP = 0;
resultArea.empty();
calculatedResult.text('');
});
});
} catch (error) {
throw error;
}
</script>
<style>
body {
background: linear-gradient(to right, #ffccbc, #ffe57f);
font-family: Arial, sans-serif;
}
#main-container {
margin-top: 30px;
text-align: center;
}
.result-text {
font-size: 24px;
margin-top: 20px;
}
.text-success {
color: green;
}
.text-warning {
color: orange;
}
.text-danger {
color: red;
}
input, select {
margin: 10px;
}
</style>
<link rel="canonical" href="https://calculator.tools/app/low-fodmap-diet-calculator-1480/">
<meta charset="utf-8">
</head>
<body>
<div id="main-container" class="container">
<h1 class="text-center">Low-FODMAP Diet Calculator</h1>
<div>
<label for="foodInput">Select Food:</label>
<select id="foodInput">
<option value="apple">Apple</option>
<option value="banana">Banana</option>
<option value="carrot">Carrot</option>
<option value="chickpeas">Chickpeas</option>
<option value="milk">Cow's Milk</option>
<option value="honey">Honey</option>
</select>
</div>
<div>
<label for="qtyInput">Enter Quantity (g):</label>
<input type="number" id="qtyInput" placeholder="grams" />
</div>
<div>
<button id="addFoodButton" class="btn btn-primary">Add Food</button>
<button id="clearButton" class="btn btn-secondary">Clear All</button>
</div>
<div id="resultArea"></div>
<div id="calculatedResult" class="result-text"></div>
<p class="mt-4 text-center text-muted"><em>This calculator is for informational purposes only and should not replace professional dietary advice.</em></p>
</div>
<script type="text/javascript"> var localStoragePrefix = "ct-1480"; var lastSave = 0; function saveLocal(data) { if (Date.now() - lastSave < 1000) { return; } let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname + "'; SameSite=Strict"; cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString(); document.cookie = cookie; lastSave = Date.now(); } function loadLocal() { var cookiePrefix = localStoragePrefix + "="; var cookieStart = document.cookie.indexOf(cookiePrefix); if (cookieStart > -1) { let cookieEnd = document.cookie.indexOf(";", cookieStart); if (cookieEnd == -1) { cookieEnd = document.cookie.length; } var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd); return JSON.parse(cookieData); } } </script>
<script type="text/javascript"> window.addEventListener('load', function() { var observer = new MutationObserver(function() { window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); observer.observe(document.body, {attributes: true, childList: true, subtree: true}); window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); </script>
</body>
</html>
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