testdriver-child.html (516B)
1 <!DOCTYPE html> 2 <script src="/resources/testdriver.js"></script> 3 <script src="/resources/testdriver-vendor.js"></script> 4 <style> 5 :root { 6 background-color: red; 7 } 8 </style> 9 <button>Turn green</button> 10 <script> 11 test_driver.set_test_context(parent); 12 const button = document.querySelector("button"); 13 button.addEventListener("click", () => { 14 button.remove(); 15 document.documentElement.style.backgroundColor = "green"; 16 test_driver.message_test("done"); 17 }); 18 test_driver.click(button); 19 </script>