| This tests the presence and functionality of features of `HTMLOrForeignElement` (currently `HTMLOrSVGElement`) | |
| E | |
| PASS MathML elements should have a .dataset | |
| PASS The dataset property should be present and be functional. | |
| PASS MathML elements should have a tabIndex property | |
| PASS MathML elements should work with focus predictably | |
| PASS MathML elements should work with blur predictably | |