| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script> | |
| addEventListener("load", () => { | |
| getSelection().collapse(document.querySelector("header"), 1); | |
| getSelection().modify("move", "backward", "line"); | |
| const ruby = document.querySelector("ruby"); | |
| ruby.parentElement.replaceChild(document.createElement("h3"), ruby); | |
| getSelection().modify("extend", "backward", "character"); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <textarea> | |
| </textarea> | |
| <abbr> | |
| <header> | |
| <select autofocus='false'> | |
| <input/> | |
| <sup> | |
| <ruby id='a'> | |
| </body> | |
| </html> |