- The selected IDL attribute, on getting,
must return true if the element's selectedness
is true, and false otherwise. On setting, it must set the element's selectedness to the new value, set its dirtiness to true, and then cause the element to
ask for a reset.
- The text IDL attribute, on getting, must
return the result of stripping and collapsing
whitespace from the concatenation of data of all the
Text node descendants of the option element, in tree order,
excluding any that are descendants of descendants of the option element that are
themselves script elements in the HTML namespace or script elements in the SVG namespace.