| <!doctype html> | |
| <meta charset="utf-8"> | |
| <title>Focus already focused iframe</title> | |
| <script> | |
| let haveGottenFocus = false; | |
| function gotFocus() { | |
| if (haveGottenFocus) { | |
| parent.postMessage("FAIL", "*"); | |
| } else { | |
| haveGottenFocus = true; | |
| parent.postMessage("focus", "*"); | |
| } | |
| } | |
| window.onload = function() { | |
| document.getElementsByTagName("input")[0].focus(); | |
| } | |
| </script> | |
| <input onfocus="gotFocus();"> |