More perf improvements. Column heading th now stored with other col data for access w/o jQuery's .filter(). _initMenuInteractions now called from w/in _buildMenu, and checking boxes in menu handled after that by triggering updateCheck event rather than doing it in the build loop (menu shows up faster).
More perf improvements. Column heading th now stored with other col
data for access w/o jQuery's .filter(). _initMenuInteractions now called
from w/in _buildMenu, and checking boxes in menu handled after that by
triggering updateCheck event rather than doing it in the build loop
(menu shows up faster).

adammessinger/Flexitable