| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>script beforescriptexecute/afterscriptexecute events</title> |
| <link rel="author" title="Denis Ah-Kang" href="mailto:denis@w3.org"> |
| <link rel=help href="https://html.spec.whatwg.org/multipage/#the-script-element"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="log"></div> |
| <script> |
| var t1 = async_test("'beforescriptexecute'/'afterscriptexecute' events have been fired"), |
| t2 = async_test("default prevented 'beforescriptexecute' event aborts script execution"), |
| a = false, |
| b = false; |
| |
| var before = function(e) { |
| b = true; |
| test(function(){ |
| assert_true(e.isTrusted); |
| assert_true(e.bubbles); |
| assert_true(e.cancelable); |
| }, "'beforescriptexecute' event is trusted, bubbles and is cancelable"); |
| }; |
| |
| var after = function(e) { |
| a = true; |
| test(function(){ |
| assert_true(e.isTrusted); |
| assert_true(e.bubbles); |
| assert_false(e.cancelable); |
| }, "'afterscriptexecute' event is trusted, bubbles and isn't cancelable"); |
| }; |
| |
| var prevent_default = function(e) { |
| t2.step(function() { |
| e.preventDefault(); |
| assert_true(e.defaultPrevented); |
| }); |
| }; |
| |
| document.body.onload = function() { |
| t1.step(function() { |
| assert_true(a && b); |
| }); |
| t1.done(); |
| t2.done(); |
| }; |
| </script> |
| <script onbeforescriptexecute=before(event) onafterscriptexecute=after(event)> |
| document.querySelector("script"); |
| </script> |
| <script onbeforescriptexecute=prevent_default(event)> |
| t2.step(function() { |
| assert_unreached("script execution not aborted by default prevented 'beforescriptexecute' event"); |
| }); |
| </script> |
