>How to Make Age Calculator Web App Tool on Blogger Page using HTML, CSS,
and JavaScript >

Are you looking to create an age calculator web app tool for your Blogger
page? Building an age calculator can be a useful addition to your website,
allowing visitors to determine their age quickly. In this article, we'll
guide you through the process of creating an age calculator web app tool
using HTML, CSS, and JavaScript. So, let's get started!

Introduction

Introduce the concept of an age calculator web app tool and its benefits.
Explain how it can be a valuable feature for websites, providing users with
a convenient way to calculate their age.

Demo

Dubble Click To Copy Code

<style>
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@1,300&display=swap');

* {
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: #111827;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 2px solid deepskyblue;
    padding: 48px;
    border-radius: 20px;
}

.inputs {
    display: flex;
}

.block {
    display: flex;
    flex-direction: column;
    margin: 0 8px;
}

label {
    font-size: 18px;
}

.input {
    border: 2px solid deepskyblue;
    height: 3rem;
    width: 8rem;
    border-radius: 7px;
    padding: 8px;
    margin-top: 4px;
    outline: none;
}

.submit {
    height: 3rem;
    width: 8rem;
    border: 2px solid deepskyblue;
    background: deepskyblue;
    color: white;
    font-size: 16px;
    border-radius: 7px;
    padding: 8px;
    margin-top: 30px;
}
</style>

<div class="calculator-form">
    <h1>Age Calculator</h1>
    <div class="inputs">
        <div class="block">
            <label for="date">Date</label>
            <input type="number" max="31" id="date" class="input" placeholder="DD">
        </div>
        <div class="block">
            <label for="month">Month</label>
            <input type="number" max="12" id="month" class="input" placeholder="MM">
        </div>
        <div class="block">
            <label for="year">Year</label>
            <input type="number" id="year" class="input" placeholder="YYYY">
        </div>
    </div>
    <button type="submit" class="submit" onclick="calculateAge()">Submit</button>

    <p id="displayAge"></p>
</div>

<script>
const calculateAge = () => {
  let d1 = document.getElementById("date").value;
  let m1 = document.getElementById("month").value;
  let y1 = document.getElementById("year").value;

  let date = new Date();
  let d2 = date.getDate();
  let m2 = 1 + date.getMonth();
  let y2 = date.getFullYear();
  let month = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

  if (d1 > d2) {
    d2 = d2 + month[m2 - 1];
    m2 = m2 - 1;
  }

  if (m1 > m2) {
    m2 = m2 + 12;
    y2 = y2 - 1;
  }

  let d = d2 - d1;
  let m = m2 - m1;
  let y = y2 - y1;

  document.getElementById("displayAge").innerHTML = `Your Age is ${y} Years, ${m} Months and ${d} Days`;
};
</script>

Understanding the Age Calculator Web App Tool

Explain the functionality of an age calculator and how it works. Highlight
the key components involved, such as input fields for date of birth, a
calculate button, and the display area for the age calculation result.

Setting up a Blogger Page

Provide a brief overview of setting up a Blogger page. Explain the steps
involved in creating a new Blogger page or selecting an existing page to add
the age calculator web app tool.

Creating the HTML Structure

Explain the process of creating the HTML structure for the age calculator
web app tool. Describe the necessary HTML elements and their attributes,
including input fields, buttons, and result display area.

Adding CSS Styling to the Web App Tool

Guide the reader through the process of adding CSS styling to the age
calculator web app tool. Emphasize the importance of visually appealing
design and provide CSS code snippets for styling the different elements.

Implementing JavaScript Functionality

Explain the role of JavaScript in making the age calculator web app tool
functional. Walk the reader through the process of adding JavaScript code to
handle the age calculation based on the user's input.

Calculating Age based on User Input

Detail the JavaScript code needed to calculate the age based on the user's
input. Explain the logic behind the calculation, considering factors such as
the current date and the user's provided date of birth.

Displaying the Age Calculation Result

Describe how to display the calculated age on the web app tool. Provide
guidance on updating the HTML element responsible for displaying the result
with the calculated age.

Enhancing the User Experience

Suggest ways to enhance the user experience of the age calculator web app
tool. Discuss potential improvements, such as adding error handling for
invalid inputs or providing additional information related to age
calculation.

Testing and Debugging the Age Calculator

Highlight the importance of testing and debugging the age calculator web app
tool. Provide tips and techniques for ensuring the tool functions correctly
and handling any potential issues.

Publishing the Age Calculator Web App on Blogger

Guide the reader through the process of publishing the age calculator web
app tool on their Blogger page. Explain how to embed the HTML, CSS, and
JavaScript code within the Blogger editor.

Promoting and Customizing the Age Calculator

Suggest ways to promote and customize the age calculator web app tool.
Discuss strategies for attracting visitors to use the tool and offer
suggestions for personalization, such as changing the colors or layout.

Conclusion

Summarize the process of creating an age calculator web app tool on a
Blogger page using HTML, CSS, and JavaScript. Highlight the benefits of
having this tool and encourage readers to implement it on their own
websites.

FAQ

1. 
   

   
   Can I customize the appearance of the age calculator?
   

   
   
   
   
   • 
     Yes, you can customize the appearance by modifying the CSS code
     according to your preferences.
     
   
   
   
   


2. 
   

   
   Is JavaScript necessary for the age calculator to work?
   

   
   
   
   
   • 
     Yes, JavaScript is required to perform the age calculation and display
     the result dynamically.
     
   
   
   
   


3. 
   

   
   >Can I embed the age calculator on multiple pages of my Blogger
   site? >
   

   
   
   
   
   • 
     Yes, you can embed the age calculator on multiple pages by copying and
     pasting the code into each page's HTML editor.
     
   
   
   
   


4. 
   

   How accurate is the age calculation?

   
   
   
   
   • 
     The age calculation is based on the current date and the user's
     provided date of birth, resulting in accurate calculations.
     
   
   
   
   


5. 
   

   
   Can I add additional features to the age calculator?
   

   
   
   
   
   • 
     Yes, you can extend the functionality by adding features like age in
     months or age in days. You would need to modify the JavaScript code
     accordingly.