| <head> |
| <title>Test of named properties in Document</title> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <img id="title"/> |
| <iframe id="f" srcdoc='<img id="title"/>'></iframe> |
| <script> |
| 'use strict'; |
| |
| test(() => { |
| assert_equals(document.title, "Test of named properties in Document", "<img> with 'id' and empty 'name' must not be found as a named property. Should fallback to the built-in property."); |
| |
| // Use a child frame's document. Otherwise, breaking the document results |
| // breaking the test harness. |
| let d = f.contentDocument; |
| d.__proto__ = null; |
| assert_equals(d.title, undefined, "Should fallback to the built-in property, and then should get undefined because of no prototype object."); |
| }, "document.title falls back to the built-in property."); |
| </script> |
| </body> |
