| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script> | |
| document.addEventListener("DOMContentLoaded", () => { | |
| document.execCommand("selectAll"); | |
| document.querySelector("li").addEventListener("DOMSubtreeModified", () => { | |
| document.designMode = "on"; | |
| document.execCommand("justifyCenter"); | |
| getSelection().deleteFromDocument(); | |
| }); | |
| document.querySelector("li").type = "1"; | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <li> | |
| <h3 align="right"> | |
| <option contenteditable="true"></option> | |
| </h3> | |
| </li> | |
| </body> | |
| </html> |