Add missing things in hide
method of dropdown
#36529
Closed
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Gave a try to backport #33451 to v4.
Feel free to modify it directly or close it if it is too far from what's expected here.
I haven't backported the new unit test
it('should remove event listener on touch-enabled device that was added in show method', done => {
because in v4 there was no existing test in that spirit. In v5 there are tests ofEventHandler.off
andEventHandler.on
but not in v4.