small performance optimization: in place of hiding ALL columns then unhiding those we want to pin... we now skip the ones we want to pin and hide all the rest. Effectively looping over less elements and causing fewer reflows because of the decreased number of DOM interactions
small performance optimization: in place of hiding ALL columns then unhiding those we want to pin... we now skip the ones we want to pin and hide all the rest. Effectively looping over less elements and causing fewer reflows because of the decreased number of DOM interactions

morficus/Backgrid-ResponsiveGrid,morficus/Backgrid-ResponsiveGrid