Create a Barcode Generator with HTML, CSS, and JavaScript

In this tutorial, you’ll learn how to create a Barcode Generator using HTML, CSS, and JavaScript. This easy-to-follow guide will show you how to build an interactive app that generates barcodes based on a product ID, displays it instantly, and allows users to download it. Whether you’re creating an inventory management system, a product catalog, or just want to add barcode functionality to your website, this project is perfect for beginners looking to enhance their skills. ✨🖥️

What You’ll Learn:

• Creating the Barcode Generator with HTML: Structure your app with the necessary HTML elements like text input and buttons. 📝
• Styling with CSS: Make your app visually appealing with modern, sleek design elements like gradients, buttons, and a clean layout. 🎨
• Dynamic Barcode Generation with JavaScript: Use JavaScript to generate barcodes on the fly based on user input. 📊
• Download Functionality: Add a feature to let users download the generated barcode in SVG format. 💾
• Improving the User Experience: Create a smooth, user-friendly interface with smooth interactions and stylish design. 🌟

Key Features of the App:

• Enter Product ID: The user inputs a product ID in the provided text field.
• Generate Barcode: A barcode is generated instantly for the entered product ID using the JsBarcode library.
• Download Barcode: Users can download the generated barcode as an SVG file for later use or printing.
• Stylish Interface: A clean and modern UI, with gradients and interactive buttons, to enhance the experience.

Let’s Walk Through the Code:

1. HTML Structure:

The app consists of an input field for the product ID, a button to generate the barcode, and a button to download it.

<h2>📦 Barcode Generator</h2>
<input type="text" id="product-id" placeholder="Enter Product ID">
<button onclick="generateBarcode()">Generate Barcode</button>
<svg id="barcode"></svg>
<button onclick="downloadBarcode()">Download Barcode</button>

2. CSS Styling:

The app features a gradient background, a transparent container with a blur effect, and modern button hover effects for a sleek appearance.

body {
    background: linear-gradient(135deg, #ff9a9e, #fad0c4);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
}

3. JavaScript Functionality:

We use JavaScript to handle the barcode generation using the JsBarcode library and to enable the download functionality.

• generateBarcode(): This function generates a barcode based on the input product ID.
• downloadBarcode(): Converts the barcode to an SVG format and allows the user to download it.

function generateBarcode() {
    let productId = document.getElementById("product-id").value;
    if (!productId) {
        alert("Please enter a product ID.");
        return;
    }
    JsBarcode("#barcode", productId, {
        format: "CODE128",
        width: 2,
        height: 60,
        displayValue: true
    });
}

function downloadBarcode() {
    let svg = document.getElementById("barcode");
    let svgData = new XMLSerializer().serializeToString(svg);
    let blob = new Blob([svgData], { type: "image/svg+xml" });
    let link = document.createElement("a");
    link.href = URL.createObjectURL(blob);
    link.download = "barcode.svg";
    link.click();
}

Final Thoughts:

By the end of this tutorial, you’ll have a fully functional Barcode Generator app that you can easily integrate into your web projects. This app can be used for generating barcodes in inventory systems, catalogs, and more. Plus, you’ll have hands-on experience with HTML, CSS, and JavaScript to generate dynamic content on your website!

Watch the Tutorial:

To see the complete walkthrough, check out the tutorial video here:

GitHub Repository:

Access the complete source code and try it out fhttps://youtu.be/k1s7w5iv4S0?si=BRXPJFAkJVOanL6Mor yourself on GitHub:

Barcode Generator – GitHub Repository