| <!DOCTYPE html> |
| <body> |
| <script src="../../../resources/js-test.js"></script> |
| <script> |
| window.jsTestIsAsync = true; |
| description('Verifies that MutationObserver is passed to the callback as expected.'); |
| |
| function mutationCallback(mutations, observer) { |
| window.thisArgument = this; |
| window.argument2 = observer; |
| shouldBe('thisArgument', 'mutationObserver'); |
| shouldBe('argument2', 'mutationObserver'); |
| finishJSTest(); |
| } |
| var mutationObserver = new MutationObserver(mutationCallback); |
| var div = document.createElement('div'); |
| mutationObserver.observe(div, {attributes: true}); |
| div.setAttribute('foo', 'bar'); |
| </script> |
| </body> |
