| <!doctype html> |
| <head> |
| <meta charset=utf-8> |
| <meta name="viewport" content="width=device-width,initial-scale=1"> |
| <title>Test calling focus() in "focus" event listener when focus has moved away</title> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| </head> |
| <body> |
| <input id="input1" placeholder="input1"/> |
| <input id="input2" placeholder="input2"/> |
| </body> |
| <script> |
| // This test tests calling focus() in the "focus" event |
| // listener on the element again when the focus has |
| // moved away. |
| |
| // This is for https://github.com/whatwg/html/pull/11182 |
| async_test((t) => { |
| let previouslyCalled = false; |
| let counter = 0; |
| |
| input1.addEventListener("focus", function(e) { |
| counter++; |
| if (!previouslyCalled) { |
| input2.focus(); |
| previouslyCalled = true; |
| } |
| |
| input1.focus(); |
| |
| if (counter !== 2) { |
| // If `lock-for-focus` is implemented, the above input1.focus() |
| // shouldn't work, so the counter should never be 2. |
| assert_unreached(); |
| } |
| t.done(); |
| }); |
| |
| input1.focus(); |
| }, "Element.focus() in focus listener when focus has moved away"); |
| </script> |
