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main.js
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main.js
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let userInput = document.getElementById("date");
userInput.max = new Date().toISOString().split("T")[0];
let result = document.getElementById("result");
const calculateAge = () => {
let birthDate = new Date(userInput.value);
let d1 = birthDate.getDate();
let m1 = birthDate.getMonth() + 1;
let y1 = birthDate.getFullYear();
let today = new Date();
let d2 = today.getDate();
let m2 = today.getMonth() + 1;
let y2 = today.getFullYear();
let d3, m3, y3;
y3 = y2 - y1;
if (m2 >= m1) {
m3 = m2 - m1;
} else {
y3--;
m3 = 12 + m2 - m1;
}
if (d2 >= d1) {
d3 = d2 - d1;
} else {
m3--;
d3 = getDayInMonth(y1, m1) + d2 - d1;
}
if (m3 < 0) {
m3 = 11;
y3--;
}
result.innerHTML = `You are <span>${y3}</span> Years, <span>${m3}</span> Months and <span>${d3}</span> Days old`;
};
const getDayInMonth = (year, month) => {
return new Date(year, month, 0).getDate();
};