objOption.defaultSelected = true is not supported by Internet Explorer 6, 7 and 8 beta 1

This test is passed if the selected option (the highlighted one) in the above list is "Option5".

DOM 2 HTML, Interface HTMLOptionElement, defaultSelected attribute states
"defaultSelected: Represents the value of the HTML selected attribute. The value of this attribute does not change if the state of the corresponding form control, in an interactive user agent, changes."

Mozilla 1.x, Firefox 1.x, Firefox 2.x, Firefox 3, Netscape 7.x, Seamonkey 1.x, Seamonkey 2.x, Safari 2.x, Safari 3.1, Safari 4.0, Konqueror 3.5.9, Opera 8.x, Opera 9.27, Opera 9.50, K-meleon 1.x, Galeon 2.x, Epiphany 2.x all pass this test.