Reproduce :

– set the grid with jqGrid('gridResize' …)

– resize grid

– close (hide) grid with the top right button

A border artifact of the opened grid appear.

Bug can be seen on the demo (New in version 3.6 ->Resizing Grid) :

http://www.trirand.com/blog/jqgrid.html

jqgrid : 4.5.2

jquery : 2.0.3

jquery-ui : 1.10.3

browser : all