Selects the #WebKitOptionMenuItem at index in menu.
Selecting an item changes the
text shown by the combo button, but it doesn't change the value of the element. You need to
explicitly activate the item with webkit.option_menu.OptionMenu.selectItem or close the menu with
webkit.option_menu.OptionMenu.close in which case the currently selected item will be activated.
Selects the #WebKitOptionMenuItem at index in menu.
Selecting an item changes the text shown by the combo button, but it doesn't change the value of the element. You need to explicitly activate the item with webkit.option_menu.OptionMenu.selectItem or close the menu with webkit.option_menu.OptionMenu.close in which case the currently selected item will be activated.