| <!doctype html> |
| <meta charset=utf-8> |
| <title>Node.appendChild: inserting script and button from a div</title> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <form id="form"></form> |
| <script> |
| let button = null; |
| let buttonForm = null; |
| test(() => { |
| const form = document.getElementById("form"); |
| const script = document.createElement("script"); |
| script.textContent = ` |
| buttonForm = button.form; |
| `; |
| button = document.createElement("button"); |
| const div = document.createElement("div"); |
| div.appendChild(script); |
| div.appendChild(button); |
| assert_equals(buttonForm, null); |
| form.appendChild(div); |
| assert_equals(buttonForm, form); |
| }, "Script inserted before a form-associated button can observe the button's " + |
| "form, because by the time the script executes, the DOM insertion that " + |
| "associates the button with the form is already done"); |
| </script> |
