原生js实现一个html自定义标签生成二维码组件代码-html代码-BFW代码库

原生js实现一个html自定义标签生成二维码组件代码

代码语言：html

所属分类：其他

代码描述：原生js实现一个html自定义标签生成二维码组件代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  


  
  
  
<style>
body {
	margin: 60px;
}
</style>

  
  
  
</head>

<body translate="no">
  <h2>Regular Web Page</h2>

<p>
	This is a regular web page. It is so awesome, I bet you want to share
	it with all your friends. To make that easier, you can generate a QR
	code by clicking the button below.
</p>

<qr-component width="200" height="200">Get QRCode</qr-component>

      <script type="module">
import QrCode from '//repo.bfw.wiki/bfwrepo/js/module/qrcode.mjs';

class QrComponent extends HTMLElement {

  constructor() {
    super();
    this.width = 250;
    this.height = 250;
    this.text = 'Generate QR Code for this URL.';
  }

  connectedCallback() {
    if (this.getAttribute('width')) this.width = this.getAttribute('width');
    if (this.getAttribute('height')) this.height = this.getAttribute('height');

    this.attachShadow({ mode: 'open' }).
    innerHTML = `
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