Hello friends, today we will be going to create age calculator HTML CSS & JavaScript. I have posted many videos and articles before related to the JavaScript project, now this the something new that we are going to build.
Demo Tutorial of How to create age calculator HTML CSS & JavaScript
As you have seen on the given demo tutorial of How to create age calculator HTML CSS & JavaScript,
If you are feeling bored watching the given demo tutorial of How to create age calculator HTML CSS & JavaScript then you can copy or download the given codes below:
How to create age calculator HTML CSS & JavaScript | Free Source Code
To create this program (Age Calculator). First, you need to create two Files one HTML File and another one is CSS File. After creating these files just paste the following codes in your file.
In the first place, make a HTML document with the name of index.html and glue the given codes in your HTML record. Keep in mind, you've to make a document with .html extension.
<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='UTF-8'>
<meta http-equiv='X-UA-Compatible' content='IE=edge'>
<meta name='viewport' content='width=, initial-scale=1.0'>
<link rel='stylesheet' href='style.css'>
<title>Age Calculator Using Javascript | Created by S-Tech04</title>
<!-- S-Tech04 | www.youtube.com/STech04 -->
</head>
<body>
<div class="container">
<div class="inputs-wrapper">
<input type="date" name="date" id="date-input">
<button onclick="ageCalculate()">Calculate</button>
</div>
<div class="output">
<div>
<span id="year">-</span>
<p>Year</p>
</div>
<div>
<span id="month">-</span>
<p>Month</p>
</div>
<div>
<span id="day">-</span>
<p>Day</p>
</div>
</div>
</div>
<script src="./script.js"></script>
</body>
</html>Second, make a CSS record with the name of style.css and glue the given codes in your CSS document. Keep in mind, you've to make a record with .css extension.
*
{
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: sans-serif;
}
body
{
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: #0a6cf1;
}
.container
{
width: 40%;
min-width: 450px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
padding: 50px 30px;
}
.container *
{
outline: none;
border: none;
}
.container .inputs-wrapper
{
background-color: #fff;
padding: 30px 25px;
box-shadow: 0 15px 25px rgba(0,0,0,0.3);
border-radius: 8px;
margin-bottom: 50px;
}
.inputs-wrapper input,
.inputs-wrapper button
{
background: #0a6cf1;
border-radius: 5px;
color: #fff;
font-weight: 500;
height: 50px;
}
.inputs-wrapper input
{
width: 60%;
padding: 0 20px;
font-size: 14px;
color: #fff;
}
.inputs-wrapper button
{
width: 30%;
float: right;
padding: 0 20px;
cursor: pointer;
}
.output
{
width: 100%;
display: flex;
justify-content: space-between;
}
.output div
{
width: 100px;
height: 100px;
color: #0a6cf1;
background: #fff;
box-shadow: 0 15px 25px rgba(0,0,0,0.3);
display: grid;
place-items: center;
border-radius: 50%;
padding: 20px 0;
}
.output div span
{
font-size: 30px;
font-weight: 500;
}
.output div p
{
font-size: 14px;
color: #707070;
font-weight: 400;
}last, create a JavaScript file with the name of script.js and paste the given codes in your JavaScript file. Remember, you’ve to create a file with .js extension.
const months = [31,28,31,30,31,30,31,31,30,31,30,31];
function ageCalculate() {
let today = new Date();
let inputDate = new Date(document.getElementById('date-input').value);
let birthYear, birthMonth, birthDay;
let birthDetails = {
year: inputDate.getFullYear(),
month: inputDate.getMonth()+1,
date: inputDate.getDate(),
}
let currentYear = today.getFullYear();
let currentMonth = today.getMonth()+1;
let currentDate = today.getDate();
leapChecker(currentYear);
if (birthDetails.year > currentYear ||
(birthDetails.month > currentMonth && birthDetails.year == currentYear) ||
(birthDetails.date > currentDate && birthDetails.month == currentMonth && birthDetails.year == currentYear))
{
alert('Not Born yet');
displayResult("-","-","-");
return;
}
birthYear = currentYear - birthDetails.year;
if (currentMonth >= birthDetails.month) {
birthMonth = currentMonth - birthDetails.month;
}else{
birthYear--;
birthMonth = 12 + currentMonth - birthDetails.month;
}
if (currentDate >= birthDetails.date) {
birthDay = currentDate - birthDetails.date;
}else{
birthMonth--;
let Day = months[currentMonth - 2];
birthDay = Day + currentDate - birthDetails.date;
if (birthMonth < 0) {
birthMonth = 11;
birthYear--;
}
}
displayResult(birthYear, birthMonth, birthDay);
function displayResult(bYear, bMonth, bDay) {
document.getElementById('year').textContent = bYear;
document.getElementById('month').textContent = bMonth;
document.getElementById('day').textContent = bDay;
}
}
function leapChecker(year) {
if(year % 4 == 0 || (year % 100 == 0 && year % 400 == 0)){
months[1] = 29;
}else{
months[1] = 28;
}
}That’s all, now you’ve successfully created a program to create age calculator HTML CSS & JavaScript. If your code doesn’t work or you’ve faced any error/problem, please download the source code files from the given download button. It’s free and a .zip file will be downloaded then you’ve to extract it.
Click on the following download button to download all source code files.
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