| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <div id="container"> |
| <!-- The elements before the form element force the parser to make form 'a' |
| the form owner for the textarea and button elements, but at the same |
| time prevents the textarea and button elements from being children of |
| the form element. |
| --> |
| <table> |
| <colgroup> |
| <meter> |
| <form id="a"> |
| <textarea id="b" name="aa"></textarea> |
| <button id="c" name="ab"></button> |
| </div> |
| <script> |
| 'use strict'; |
| |
| test(() => { |
| var form = document.getElementById("a"); |
| var textarea = document.getElementById("b"); |
| var input = document.getElementById("c"); |
| var container = document.getElementById("container"); |
| document.body.removeChild(container); |
| assert_equals(form.aa, textarea); // validates cache |
| textarea.setAttribute("name", "ac"); // should invalidate cache |
| input.setAttribute("name", "aa"); |
| assert_equals(form.aa, input); // should return input and not textarea |
| container.children[0].removeChild(container.children[0].children[1]); |
| assert_equals(form.ac, undefined); |
| }, "should invalidate nameditem cache even when removed from document"); |
| |
| </script> |
