| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Test that setting "onselectionchange" content attribute adds an event listener</title> |
| <link rel="help" href="https://w3c.github.io/selection-api/#extensions-to-globaleventhandlers-interface"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <body> |
| <div id="testElement" onselectionchange="window.handlerSetFromParserWasFired()"></div> |
| <script> |
| promise_test(() => { |
| return new Promise(resolve => { |
| window.handlerSetFromParserWasFired = resolve; |
| testElement.dispatchEvent(new Event("selectionchange")); |
| }); |
| }, "handler set from parser"); |
| |
| promise_test(() => { |
| const el = document.createElement("div"); |
| el.setAttribute("onselectionchange", "window.handlerSetViaSetAttributeWasFired()"); |
| document.body.append(el); |
| |
| return new Promise(resolve => { |
| window.handlerSetViaSetAttributeWasFired = resolve; |
| el.dispatchEvent(new Event("selectionchange")); |
| }); |
| }, "handler set via setAttribute()"); |
| </script> |
