make sure that `event.target` is not the window
make sure that `event.target` is not the window
MingDai/kolibri,indirectlylit/kolibri,DXCanas/kolibri,benjaoming/kolibri,jonboiser/kolibri,learningequality/kolibri,jayoshih/kolibri,rtibbles/kolibri,mrpau/kolibri,christianmemije/kolibri,MingDai/kolibri,lyw07/kolibri,indirectlylit/kolibri,MingDai/kolibri,MingDai/kolibri,jayoshih/kolibri,mrpau/kolibri,DXCanas/kolibri,mrpau/kolibri,DXCanas/kolibri,lyw07/kolibri,christianmemije/kolibri,rtibbles/kolibri,benjaoming/kolibri,jayoshih/kolibri,mrpau/kolibri,indirectlylit/kolibri,jayoshih/kolibri,lyw07/kolibri,learningequality/kolibri,christianmemije/kolibri,aronasorman/kolibri,aronasorman/kolibri,rtibbles/kolibri,jonboiser/kolibri,jonboiser/kolibri,jonboiser/kolibri,aronasorman/kolibri,learningequality/kolibri,aronasorman/kolibri,learningequality/kolibri,lyw07/kolibri,rtibbles/kolibri,benjaoming/kolibri,indirectlylit/kolibri,DXCanas/kolibri,benjaoming/kolibri,christianmemije/kolibri