a minimalistic Excel-like data grid editor
Understanding binding as reference
Handsontable binds to your data source (array or object) by reference. Therefore, all the data entered in the
grid will alter the original data source.
In complex applications, you may have a purpose to change data source programatically (outside of
Handsontable). A value change that was done programatically will not be presented on the screen unless you
refresh the grid on screen using the render method.
But I want to change my data without rendering changes!
In case you want to keep separate working copy of data for Handsontable, it is suggested to clone the data
source before you load it to Handsontable.
This can easily be done with $.extend method.
In a similar way, you may find it useful to clone data before saving it.
That would be useful to make programmatic changes that would be saved to server but kept not invisible to the