| <!doctype html> | |
| <meta charset="utf-8"> | |
| <title>Focus already focused iframe</title> | |
| <script> | |
| let failed = false; | |
| window.onmessage = function(e) { | |
| if (e.data == "focus") { | |
| document.getElementsByTagName("iframe")[0].focus(); | |
| opener.step_timeout(function() { | |
| if (failed) { | |
| opener.postMessage("FAIL", "*"); | |
| } else { | |
| opener.postMessage("PASS", "*"); | |
| } | |
| }, 1500); | |
| } else if (e.data == "FAIL") { | |
| failed = true; | |
| } | |
| } | |
| </script> | |
| <iframe src="focus-already-focused-iframe-middle.html"></iframe> |