is there any way to make Gridster.js tile(s) stick, that is not move up vertically to fill empty space. Kind of like the way a layout program with snap-to-grid turned on works..
Use this fork https://github.com/dsmorse/gridster.js with
shift_widgets_up: false
option.
See demo : http://dsmorse.github.io/gridster.js/demos/sticky-postion.html