Go to http://demos.jquerymobile.com/1.4.4/filterable/
Find Filter Select and type in something. None of the selects are filtered away.
Tested on Nexus 7 Chrome.
Chrome desktop emulation of Nexus 7 reproduces this issue to some extent. I mean, it does filter, but the last option cannot be hidden.
It's as though the last option cannot be hidden.
OK, I've reproduced it fully on Browserstack, on an emulation of a Samsung Galaxy Note II running Android 4.1.
AFAICT the spec says nothing about whether <option> elements with display: none are to be shown when the user opens the <select> or not. This means that there may be inconsistency among browsers.
OK, this doesn't work on IE8 either. Maybe we should remove this demo.
... nor on any other IE.
I guess we cannot claim that the widget filters a select.
Filterable: <select> filtering does not work on all platforms