| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Focus events fire at correct targets in correct order in simple case</title> |
| <link rel="author" title="Chris Rebert" href="http://chrisrebert.com"> |
| <link rel="help" href="https://html.spec.whatwg.org/#focus-update-steps"> |
| <link rel="help" href="https://html.spec.whatwg.org/#focus-chain"> |
| <meta name="flags" content="dom"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <input type="text" id="a"> |
| <script> |
| // Record all the focus event targets in an array. |
| // Modulo special cases in the "focus update steps" algorithm, |
| // this should be the same as the new focus chain, except in reverse order. |
| var newFocusChainReversedNotQuite = []; |
| var pushTarget = function (e) { |
| newFocusChainReversedNotQuite.push(e.target); |
| }; |
| // Window is the root node for event dispatch per https://html.spec.whatwg.org/multipage/webappapis.html#events-and-the-window-object |
| window.addEventListener('focus', pushTarget, true);// Use event capturing since focus event doesn't bubble |
| var input = document.getElementById('a'); |
| input.focus(); |
| window.removeEventListener('focus', pushTarget, true); |
| test(function() { |
| assert_array_equals(newFocusChainReversedNotQuite, [input], "Exactly 1 focus event should fire and its target should be the input"); |
| }, "Focus events fire at correct targets in correct order in simple case"); |
| </script> |
| </body> |
| </html> |
