| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| Popup <input id="input"> | |
| <script> | |
| window.onload = async () => { | |
| try { | |
| if (!document.hasFocus()) { | |
| const input = document.getElementById("input"); | |
| input.focus(); | |
| await new Promise(r => input.onfocus = r); | |
| } | |
| opener.postMessage(`focus = ${document.hasFocus()}`, "*"); | |
| } catch(e) { | |
| opener.postMessage(`${e.name}: $(e.message)`, "*"); | |
| } | |
| }; | |
| </script> | |
| </html> |