The Age Calculator operates on a simple premise – subtracting your birthdate from the current date. While the concept is straightforward, the execution involves dealing with nuances like leap years, months with varying days, and time zones. Thanks to advancements in technology, online Age Calculators effortlessly navigate these complexities, providing results within seconds. Users input their birthdate in the MM/DD/YYYYY format, and voila – the magic of mathematics - unveils the exact age.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Age Calculator</title>
<style>
body {
font-family: 'Arial', sans-serif;
background-color: #f4f4f4;
color: #333;
margin: 0;
padding: 0;
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
}
#age-calculator {
background-color: #fff;
padding: 20px;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
label {
display: block;
margin-bottom: 8px;
}
input {
width: 100%;
padding: 8px;
margin-bottom: 16px;
box-sizing: border-box;
}
button {
background-color: #4caf50;
color: #fff;
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
}
button:hover {
background-color: #45a049;
}
#result {
margin-top: 20px;
}
</style>
</head>
<body>
<div id="age-calculator">
<h1>Age Calculator</h1>
<form id="age-form">
<label for="birthdate">Enter your birthdate:</label>
<input type="date" id="birthdate" required>
<button type="button" onclick="calculateAge()">Calculate Age</button>
</form>
<div id="result"></div>
</div>
<script>
function calculateAge() {
var birthdate = new Date(document.getElementById('birthdate').value);
var today = new Date();
if (isNaN(birthdate.getTime())) {
document.getElementById('result').innerHTML = '<p>Please enter a valid birthdate.</p>';
return;
}
var ageInMilliseconds = today - birthdate;
var ageInSeconds = ageInMilliseconds / 1000;
var ageInMinutes = ageInSeconds / 60;
var ageInHours = ageInMinutes / 60;
var ageInDays = ageInHours / 24;
var ageInMonths = ageInDays / 30.44; // Average number of days in a month
var ageInYears = ageInMonths / 12;
var years = Math.floor(ageInYears);
var months = Math.floor((ageInYears - years) * 12);
var days = Math.floor((ageInMonths - Math.floor(ageInMonths)) * 30.44); // Average number of days in a month
document.getElementById('result').innerHTML =
'<p>Your age is: ' + years + ' years, ' + months + ' months, and ' + days + ' days.</p>';
}
</script>
</body>
</html>