| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Shadow Root Page</title> | |
| </head> | |
| <body> | |
| <style> | |
| custom-checkbox-element { | |
| display:block; width:20px; height:20px; | |
| } | |
| </style> | |
| <div><input id="noShadowRoot" /></div> | |
| <div><custom-checkbox-element></custom-checkbox-element></div> | |
| <script> | |
| customElements.define('custom-checkbox-element', | |
| class extends HTMLElement { | |
| constructor() { | |
| super(); | |
| this.attachShadow({mode: 'open'}).innerHTML = '<div><input type="checkbox"/></div>'; | |
| } | |
| } | |
| ); | |
| </script> | |
| </body> | |
| </html> |