Place the script tag at the end of your section or within the . Use code with caution. Step 2: Create a Container Add an empty where you want the QR code to appear. Use code with caution. Step 3: Initialize the Library Use a simple JavaScript snippet to generate the code. javascript
For modern web workflows using Webpack or Vite, you can install it via package managers: npm install qrcodejs 2. Basic Installation and Setup
In this guide, we’ll cover where to download qrcode.js, how to set it up, and advanced customization options to make your QR codes stand out. 1. Where to Download qrcode.js qrcode.js download
If you need to generate QR codes on the fly without relying on heavy server-side processing or third-party APIs, is the industry-standard library for the job. It is a cross-browser, pure JavaScript library that allows you to render QR codes in the browser using HTML5 Canvas or SVG tags.
var qrcode = new QRCode(document.getElementById("qrcode"), "https://example.com"); Use code with caution. 3. Advanced Customization Options Place the script tag at the end of
If the code won't scan, try increasing the correctLevel to H or increasing the contrast between colorDark and colorLight . Conclusion
var qrcode = new QRCode("qrcode", { text: "https://yourlink.com", width: 256, height: 256, colorDark : "#000000", colorLight : "#ffffff", correctLevel : QRCode.CorrectLevel.H }); Use code with caution. Key Parameters Explained: Sets the resolution of the generated image. colorDark: The color of the "modules" (the dark squares). colorLight: The background color. correctLevel: Defines the Error Correction Capability. L (Low): ~7% recovery M (Medium): ~15% recovery Q (Quartile): ~25% recovery Use code with caution
It does not require jQuery or any other framework to function.