Test the behavior of selecting and deselecting options in <select> elements. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". ListBox with no size attribute specified. PASS menuListBoxNoSize.selectedIndex is 1 PASS menuListBoxNoSize.options[1].selected is true Setting menuListBoxNoSize.options[2].selected = true Setting menuListBoxNoSize.options[2].selected = false PASS menuListBoxNoSize.selectedIndex is 1 PASS menuListBoxNoSize.options[1].selected is true ListBox with size=1 attribute. PASS menuListBoxSize1.selectedIndex is 1 PASS menuListBoxSize1.options[1].selected is true Setting menuListBoxSize1.options[2].selected = true Setting menuListBoxSize1.options[2].selected = false PASS menuListBoxSize1.selectedIndex is 1 PASS menuListBoxSize1.options[1].selected is true ListBox with size=3 attribute. PASS menuListBoxSize3.selectedIndex is -1 Setting menuListBoxSize3.options[1].selected = true Setting menuListBoxSize3.options[1].selected = false PASS menuListBoxSize3.selectedIndex is -1 PASS menuListBoxSize3.options[0].selected is false PASS menuListBoxSize3.options[1].selected is false Setting menuListBoxSize3.selectedIndex = 1 PASS menuListBoxSize3.selectedIndex is 1 PASS menuListBoxSize3.options[1].selected is true Setting menuListBoxSize3.selectedIndex = -1 PASS menuListBoxSize3.selectedIndex is -1 PASS menuListBoxSize3.options[0].selected is false PASS menuListBoxSize3.options[1].selected is false ListBox with multiple attribute. PASS multipleListBox.selectedIndex is -1 Setting multipleListBox.options[1].selected = true Setting multipleListBox.options[1].selected = false PASS multipleListBox.selectedIndex is -1 PASS multipleListBox.options[0].selected is false PASS multipleListBox.options[1].selected is false Setting multipleListBox.options[1].selected = true Setting multipleListBox.options[2].selected = true PASS multipleListBox.options[1].selected is true PASS multipleListBox.options[2].selected is true Unselecting selected first option: PASS multipleListBox2.options[0].selected is true PASS multipleListBox2.options[0].selected = false; multipleListBox2.options[0].selected is false PASS successfullyParsed is true TEST COMPLETE