Documentation needs to state that paper-listbox has to have class="dropdown-content" for paper-dropdown-menu to drop down. Without that class, it will not drop down.
As for ver 2.*, it doesn't work at all but that is outside of the context for this documentation PR.
For Polymer 1.* and
paper-dropdown-menu
before 2.0Documentation needs to state that
paper-listbox
has to haveclass="dropdown-content"
forpaper-dropdown-menu
to drop down. Without that class, it will not drop down.As for ver 2.*, it doesn't work at all but that is outside of the context for this documentation PR.