| <!DOCTYPE HTML> | |
| <title>button setCustomValidity</title> | |
| <script src="/resources/testharness.js"></script> | |
| <script src="/resources/testharnessreport.js"></script> | |
| <button id='button_test'></button> | |
| <script> | |
| test(() => { | |
| let elem = document.getElementById("button_test"); | |
| assert_false(elem.validity.customError); | |
| elem.setCustomValidity("custom error"); | |
| assert_true(elem.validity.customError); | |
| }, "button setCustomValidity is correct") | |
| </script> |